train

“Train” in a nineteenth century tunnel

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Supercars are no longer enough. What really removes the hiccups are hyper -sports. Combine the SUPPORTIVE CLASS with technologies and benefits of the Formula 1like him McLaren P1 With Kers and Drs. But if there is a category that is taking off the beast, it is that of the electric with benefits that They seem taken from a video game. Specifically, one English who could have Batman in his garage. It is the McMurtry Spéirling, and its secret is a tuning in a railway tunnel of 1897. Craziness. The McMurtry Spéirling, or Spéirling Electric Hypercar, was revealed in the prestigious Goodwood Speed ​​event of 2022, and there he got some records. Before that, let’s spend the technical record of this car that is not as attractive as a Bugatti Veyronthe aforementioned McLaren P1 or its maximum electric competitor, the RIMAC Neverabut that is a rex tyrannosaurus with lamb skin. Of a lamb 3.5 meters long, 1.7 wide and barely 1.1 high. It has two electric motors that produce a power of 746 kW in the rear wheels, equivalent to about 1,000 hp. The weight is about 1,000 kg, which together with that engine guarantees a huge force. How much? As an acceleration of 0 to 100 km/h in 1.4 seconds or 0 to 230 km/h in less than 5 seconds. Record car. It does not run “much” because it is limited to 305 km/h, so that engine could give much more of itself, and is equipped with a 60 kWh battery that they wait to expand 100 kWh at some point, increasing to 1,200 kg the weight of the vehicle. But with what we have now in hand, we can talk about a car that is leaving the bar high. Very high. At the Goodwood Festival of its debut, the McMurtry Spéirling managed to spray the upload record of its traditional 1.89 -kilometer hill circuit with a time of 39.08 seconds. There have not only been supercoches and hypercoches, but also formula 1 like that of 1998 Nick Heifield. With the McLaren MP4/13, he nailed the clock in 41.6 seconds. In 2019, an electric prototype, the Volkswagen ID.R. He lowered it to 39.9 seconds, and it was the brand that prevailed. Since then, we have seen McMurtry Spéirling making All types of cars bite the dustincluding the imposing Ferrari Laferrari With an atmospheric and 800 hp V12 with Kers of 163 hp or spraying the Mercedes-Am One record in Hockenheim lowering time by 14.1 seconds. The test tunnel. And the secret of this achievement is the wind tunnel. High performance cars are analyzed in wind tunnels in which their aerodynamics are tested. They are cameras in which vehicles are static and it is the air that flows on them, allowing engineers and designers to test aerodynamics. In the case of McMurtry Spéirling, the thing is different because in its wind tunnel, it moves at high speed. The reason? Use a tunnel that could go out in any Batman movie: the Catesby tunnel. It is a railway tunnel of the Victorian era that was built in 1897 and has a line of 2.7 kilometers long and 8.2 meters wide. It is no longer used for its original purpose, and from its conversion It has become an ideal test line for two reasons. The first is because it has constant climatic conditions, which allows engineers to test the car in an environment in which they can develop systematic and precise tests. The McMurtry equipment uses equipment as pressure sensors around the vehicle and high -speed cameras, but it is best to be moving, they can put elements such as wheels, the damping or the great secret of this car under the magnifying glass: the Downforce or ‘soil effect’. Fans, your secret. Because … yes, in a car import all the elements, but when we talk about speed (and that is where the F1 are specimens), it is not so much about the strength of the engine, but how much the car can stick to the ground thanks to the aerodynamics to accelerate better or take a passage through curve faster. And if we see any video of the McMurtry Spéirling, something that attracts attention is that, both in motion and standing before accelerating, it lifts a trail of dust. There is his secret: he has two rear fans that generate a force of up to 2,000 kg. This presses the car against the ground, causing it to leave a Scalextric car and getting a great speed in the curves. It makes a F1 look slow. To get an idea, that aerodynamic load of 2,000 kg that the McMurtry Spéirling has from a stop is the same that achieves a formula 1 when it goes to 250 km/h. And, speaking of formula 1, the video that we leave below is one of those that make a smile of disbelief: In it, we can see spéirling against the Rimac Nevera and a Red Bull RB8. It is very interesting because the Nevera Rimac, which is another electric one that is in the same category, wins in the first test by tip speed because the spéirling limiter comes into play. In the second test, Spéirling has heated the wheels and gets a more tight victory, and in the third we see another surprising thing. It is a braking test in which we see that the Rimac accelerates and runs a lot, but it is difficult for him to stop. Here, spéirling achieves a performance very similar to that of Formula 1, whose braking is spectacular. And it has merit that even with Liam Lawson behind the wheel, that Red Bull looks like a utility next to the other two. Especially next to the great strong point of spéirling: the acceleration from standing. Do you have a million left? Currently, the McMurtry Spéirling is approved for circuit competitions, such as the GT1 Sports Club, but if at any time it is homologated for use in … Read more

Openai’s hypothetical social network does not want to connect people. Want your data to train your AI

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In Openai they do not conform to being absolute referents in the segment of artificial intelligence. The last rumors point to that They intend to create a social network that would go beyond Chatgpt. The reason, eye, is not to compete with Facebook, Instagram or X. At least, not directly. Social network = data to feed the AIThe movement responds without a doubt to that voracious hunger of new data that the AI ​​models have and that allows them to improve and polish their behavior in different scenarios. A social network would allow Openai to use all those data entered by users to train their models. X already discovered that trend. The Fusion between X and XAI It was already a clear demonstration of that strategy: suddenly I had a perfect system to train its AI, Grok model, with all the posts of X users. And goal, of course, too. Goal takes time doing the same With Facebook and Instagram – although The EU forced her to slightly change your plans – and also collect data when we use ai target at whatsapp, Although you can avoid it. All with the same goal: to have “fresh food” for its artificial intelligence models. A social network to share images. Apparently the prototype that is already developed focuses on Chatgpt’s ability to generate images. It would therefore be a social network more similar to an instagram full of images generated by AI, from which we imagine that users would be generated. Altman already warned. The funny thing is that the rumor occurs weeks after Sam Altman himself, CEO of OpenAi, jokes with that possibility. When the news appeared that Meta was preparing an independent app for goal AI, Altman replied saying “ok, perfect, perhaps we make a social app.” This does not connect people. Perhaps they already had the project and it was not a joke, but although Altman pointed out that that could allow “revenge” of Facebook, the intentions would not be those of competing with Facebook when connecting people – the original purpose of that social network, at least – but that of collecting more and more data for their AI, which is what they have also ended up doing social networks. And the AGI for when. The problem of this theoretical project is that it would be partly a distraction for Openai. It would certainly allow for more data for the training of its AI models, but it is not clear that the scaling is the right path for the ultimate end of OpenAi: get a general artificial intelligence or agi. Too many parallel projects. Altman is famous for generate excessive expectations about the AGI. However, this challenge is tarnished by their last releases, especially in the case of GPT-4.5. The company seems to be somewhat scattered with gigantic projects like Stargatethe development of Your own chips o The mysterious hardware project In collaboration with Jony Ive. Too many apples in the basket? We will see. Image | Xataka with chatgpt In Xataka | Chatgpt is already the most downloaded app in the world. His only problem is that he does not know how to make money with it

How to improve Chatgpt’s privacy preventing what you write is used to train artificial intelligence

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Let’s explain How to improve Chatgpt’s privacydeactivating the option with which you allow OpenAi to use all the content you write or believe to continue training its artificial intelligence models. It is an option that is activated by default in your profile, but it is easy to disconnect. When you are using chatgpt, if you don’t change anything you are giving the company permission to collect your interactions. Then, these questions that you have asked the AI ​​and the answers generated for you will be used in the future to continue training and improving the models. But if you don’t want this information to be used because it is private, we will tell you how to deactivate it. Disable data sending to chatgpt The first thing you have to do is enter the configuration of Chatgpt. For that, on the mobile click on the side options button and click on your username. In the web version click your profile image and choose the option of Configuration which will appear in the window that opens. If you are on the mobile, what you have to do once you enter the configuration is click on the option Data controls that will appear in the section of Accountwhich is the first to see above all. Once inside, deactivate the option Improve the model for all That will appear in the first place. With this, your content will no longer be used to continue training OpenAi’s models. In the desktop versionwithin the configuration click on the section of Data controls. Once inside, click on Model improvementwhere you will be able Disable the option Improve the model for all That will appear in the first place.

Japan has just found a way to drastically accelerate the construction of train stations: print them in 3D

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3D impression continues to make way in the world of architecture. After seeing the first houses and even data centers 3D printednow is the turn of rail infrastructure. The latest novelty It arrives from Japanwhere they have already installed a train station built with this technology. According to those responsible, the main advantages against traditional methods are speed and sustainability. As can be seen in the images, we are not facing a station that impresss its size or monumental design. On the contrary: it is a simple, functional and compact construction. At first glance it may seem plastic, but in reality it is printed in concrete. The structure, of less than 10 square meters, is based on several reinforcement bars and has two openings for the passage of passengers. The first 3D printed station in the world The structure was printed a few kilometers and was subsequently transferred in a truck to Hatsushima Station, in the Wakayama Prefecture, about 96 kilometers south of Osaka. There the final assembly was carried out. Naohiro Ohashi, spokesman for Jr West Japan, explained to NHK that “Normally it takes about two months in building a station of this size ”, and that in this case the priority was the speed to complete the work. The assembly of the structure was completed in about two hours with the help of a crane, and all the work ended before the first train departure to Wakayama. The pieces, of several tons, were manipulated by only six operators, including the crane operator. With this experience, the company already has a more precise estimate of the time necessary to install this type of stations, which are part of future projects. From now on, the company will evaluate the profitability of both construction and maintenance. Depending on the performance of this first station, they consider Extend the use of this technology to other locations. They point out that 3D impression facilitates a planned renewal of the railway facilities, especially before the Crecent labor shortage. The objective, they point out, is to move towards a more sustainable rail infrastructure. According to Nikkeithe current building of the Hatsushima station was built in 1948 and currently functions as a station without staff. The oldest structure, larger, showed a remarkable deterioration and its maintenance had become increasingly expensive. Jr West decided to replace it with a new 3D printed version, more adjusted to the actual level of use and also useful to assess the impact of saline air that blows from the sea. Images | @handakunihio (x) | JR West Japan In Xataka | We have discovered (again) the secret of Roman concrete. Is less impressive than it seems

The director of ‘Train to Busan’ signs this Korean thriller in Netflix that is among the most sinister of the platform

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There is much talk about ‘adolescence’ in Netflix, but the platform catalog is overflowing with very different options from each other. This same weekend It has been released This stimulating ‘Revelation‘, which guarantees a good time of thriller in the purest Korean style: it is a morbid, intriguing, sinister and turning movie. In it we will meet a pastor of deep faith and believe together in divine revelations, which makes him suspect that a very specific person is responsible for a kidnapping case. To solve the case you will have to collaborate with a detectivewho lives tormented by his past: his dead sister’s ghost, which appears in chilling visions. Those responsible for ‘Revelation’ are not precisely unknown: Yeon Sang-Ho, director and coguionist, gained international fame with ‘Train to Busan’ and his sequelae, and has collaborated with Netflix previously with the fantastic and delusional ‘course to hell’, among others. Much eye for his animation films, especially the extraordinary ‘The Fake’, whose atmosphere in a small tent in which sermons are offered tremendously remembers one of the key spaces of ‘Revelation’. Korean cinema has become one of the most watched out of Asia, especially for the impact of its romantic series. But as the most cinephile sector knows, it all started with films such as ‘Old Boy’ or the foundational ‘Memories of Murder’, with which ‘revelation’ has some point in common. Especially that dark atmosphere of the rural Korea Where we are already used to the fact that, under a layer of apparent normality, the most heinous crimes take place. Header | Netflix In Xataka | Netflix’s best Korean series (because not everything is ‘the squid game’)

convince us that the company has not lost the AI ​​train

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Panos Panay, dressed in rigorous black, launched himself to give his first great Keynote as an Amazon employee. Not long ago, but with Microsoft where I was the head of the hardware divison. Your mission here is even more complex, because Try to show that Amazon has not lost the AI ​​train. And to achieve this, he was in charge of presenting the new version of Alexa. A supervitaminated with AI. During the presentation Panos Panay tried first to defend Alexa’s legacy, a voice assistant who according to this manager attracts millions of new customers every month. It is a unique statement, especially when it is evident that in recent times that technology has been far behind the modern models of generative. Alexa: 11 things we can do with Alexa and 5 that still does not For Amazon it was not enough to integrate a model of AI capable of explaining with a synthetic voice how to make a recipe. “You will not buy the ingredients and will not send an invitation to your friends for dinner. A chatbot of AI does not take us to what is our vision for Alexa,” he explained during the event. AND that’s where Alexa+ arrivesAlexa’s new version. An AI technology with which Amazon wants to change everything: we are facing an agthic that is capable of doing things for us. Not only to answer questions, but to take advantage of your integration with other devices and applications to perform actions. In the demo shown by Panay Alexa made a reservation in a restaurant, sent a message to the kangaroo and added everything to the calendar. Not only that: it was also shown as Alexa+ is now much more conversational – here the new models and the recognition of natural language have done a good job – and is able to interact with the home automation of our home, for example. In his official statementAmazon describes Alexa+ as smarter, conversational, personalized and capable of “doing things”, that is, completing tasks. In many cases, completing these tasks will make it necessary to give access to our data – you, contacts, information with which we want me to work – to this model of AI. According to Amazon, Alexa+ has been trained so that he is able to recognize the tone to adapt to conversation. If he sees us agitated, for example, he will try to calm us down – he who noticed in the demo of Panos, for example. There is another important element in that interaction. Alexa stores and remembers the data you are giving to be able to use them in the future. For example, user restaurants preferences or tastes about certain dishes or ingredients. In the demos it could be seen how the interface of the connected screens Amazon Echo has undergone important changes. For example, it shows an animation at the bottom of the screen when “thinking”. Something since it is almost standard and we have seen in Gemini or Apple Intelligence. There are more animations to represent that Alexa is in action, and Amazon calls them “Alexicons”. Home automation is one of the areas in which this type of interaction with AI is enhanced, and Amazon has created a specific widget for home automation in the interface of its smart screens. Natural language – to speak as we would normally, but with these devices – is the focus when controlling all kinds of options and actions. In development …

France has thousands of kilometers of unused train tracks. So you are covering them with solar panels

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Solar panels and wind turbines have placed us in a complicated decision: aesthetics or generating electricity? Beyond Impact on living beings of the environment in which these renewable projects are installed, it is undeniable that They have a huge visual impact. That’s why, New transparent solar panels for windows or hide them on roads They sound like a great idea. In Switzerland they have developed a project for Place solar panels on the train tracksand now France has copied the idea. Invisible panels. With the name of ‘Solveig Project’, the French rail operator SNCF It has developed, through its Arep subsidiary, a project to create a solar plant that can be deployed on the roads that the company controls. They explode about 32,000 kilometers of lines, so, if the project is successful, the potential is huge. The idea is simple, but ingenious: take advantage of the rails to install solar panels, while batteries and investors are stored in modular containers. For now, Solveig is a pilot project that has started with the installation of eight solar panels at the Achères Technical Center, where they will be tested for six months. Facilities. Having a storage solution such as containers, which include investors and batteries, it is possible for the company to transport these assets as far as it is needed. It also facilitates their installation. As Comment the Director of Innovation of AREP to PV Magazine, the development of a photovoltaic panel transport system through ISO containersas well as its installation on the roads, “it facilitates both the deployment of the panels and the reversibility of the installation.” The operation does not require a complex installation, since a mechanical arm is responsible for downloading the panels, which are subsequently fixed to the tracks to prevent the wind from moving them. And, being temporary, does not require foundations. In addition, the containers are modular and the rail infrastructure is not compromised. Self -consumption. The idea is that this solar solution feeds the internal consumption needs of SNFC, as well as local uses around the facilities. The potential is gigantic, but, although AREP considers that it is possible to export this solution to both Europe and the rest of the world, we must wait to see the results of the pilot project. In addition, the idea would be to implement this system in out -of -service railways, all to add energy to the network that operates SNCF, since 80% of the national trains of the same work with electricity. In addition, he has the commitment To deploy 1,000 MW for 2030, and fill the panel tracks would be a good support. Next steps. The following steps of the Solveig project will focus on improving system efficiency and reducing costs to make it viable on a large scale. Although there is still no definite calendar for industrialization, the potential is evident: SNCF has more than 113,800 hectares of operational land that could become authentic solar parks over rails. In short, if the project gives good results, it is only a matter of time before more countries are uploaded to this new “train” of renewable energy. And, speaking of Switzerland, they are very committed to not shaving their green fields and, apart from the panels on the train tracks, also They are installing them on road walls. We just hope this experiment Do not leave like the one on the solar roadalso in France. Images | SNCF, Arep In Xataka | The bats of Spain live times of uncertainty. The reason, according to the CSIC: the wind turbines

Meta emails reveal that he downloaded 81.7 TB of books with copyright via Bittorrent to train their AI models

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In the legal process Kadrey against goal Mark Zuckerberg’s company is accused of having used works protected by copyright to train their artificial intelligence models. A few weeks ago it was revealed that Zuckerberg had approved to use pirate booksbut now new and powerful evidence of this looting arrive. Revealed emails. He “Appendix a“The case includes several mail email messages from the finish Do that data collection in October 2022. “Download with torrents from a company’s laptop does not seem a good idea”. In April 2023 Nikolay Bashlykov, one of those responsible for carrying out this data collection, joking including emojis and indicated that the company would have to be careful with the IP from which they downloaded the data. Goal knew the risks. In September of that year Bashlykov already stopped using emoticons and warned that using torrents would imply acting as “seeds” so that others also download them, and “that might not be legally legally.” These debates are proof that Meta knew that this type of activity was illegal, according to the authors who have sued the company. Erasing the footprints. In a Internal message Meta Frank Zhang researcher indicated how the company avoided using its servers by downloading this data set to “avoid” “the risk that anyone can draw the seed” and who downloaded that data. 81.7 TB of data. As they point out In Ars TechnicaThe evidence shows that Meta downloaded at least 81.7 the terabytes of data from various libraries offered by those books protected by copyright. In a New document The legal process indicated that at least 35.7 TB had been downloaded from sites such as Z-Library or Libgen (which It ended up closing last summer). Goal wants to dismiss those charges. Goal has presented a motion to dismiss those accusations indicating that there was no evidence that any book was downloaded by finishing employees through Torrent or that they were later distributed by goal. In Xataka we have contacted the company, and we will update this news if we receive comments on the case. Loot on the Internet fire. These data affect the debatable practices that AI companies are using to train their models. We saw it With Googleand of course also with Openai, who used millions of texts to train Chatgpt, and Many of them had copyright. Perplexity was in the spotlight after discovering that He skipped the bullfighter Internet rules to avoid payment walls and feed your AI model. Internet robberies are being normalized. The amazing thing about all this is that the fact that all companies are skipping the norms and violating copyright seems to be normalizing the looting of the Internet. It almost does not give time to scandal and we give it almost as a policy of consummate facts to be able to follow ours. Is this really a “fair use”? All companies are shielded in the concept of “fair use” (“Fair Use”). This concept developed in Anglo -Saxon law allows the limited use of protected material without being necessary to ask for permission to do so. Copyright rapes have not stopped arriving in the world of generative AI, but they seem to be in the background while these giants thrive. In Xataka | 5,000 “tokens” of my blog are being used to train an AI. I have not given my permission

Amazon lost the AI ​​train, but wants to recover it. The new Alexa with ia will arrive this month to try

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Something happens to Amazon. He has been delayed in the AI ​​segment for more than two years. At least that is what seems to the user: it does not have a chatgpt rival, and although it has developed some own models, they do not compete at the moment with those of OpenAi, Google or goal. However, it seems that it will finally try to catch up. There will be news on February 26. We will have to mark that date on the calendar, because it will be when Amazon will finally present its strategy in this area. The company led by Andy Jassy He has sent invitations To various means to notify them that he will celebrate an event with a single protagonist: Alexa. Hello, new Alexa. The event will be presented by Panos Panay, who directed the Microsoft hardware division and will now present the renewed Amazon voice assistant. According to Reuters On February 14, the company’s managers will go to a special meeting to finally decide whether that new version of Alexa is prepared to come to light. Project development It has been chaos according to sources close to it. Waiting for a “remarkable” assistant with a lot of AI. We have been talking about that new version for months that some point to the call “remarkable Alexa” (“Alexa”). The great jump will be provided by the generative AI that will be available in the product and that will theoretically enhance its conversational capacity. Anthropic as a partner? It will be interesting to know which model of AI will be behind the new Alexa. Amazon has invested Friolera of 8,000 million dollars In Anthropic, Claude developer, so it seems feasible to be based on that model. But be careful, because Google too Invested 1,000 million dollars In that company of AI and they also have their own model, Gemini, which could also be an option in the renewed Alexa. There are other possibilities, of course: it is known that Amazon was working In its colossal LLM, Olympusthat it is rumored that it would have two billion parameters, approximately twice as much as GPT-4 of OpenAi. An opportunity for echo. Amazon has a spectacular opportunity here to give a new life to its smart speakers, the Amazon Echo, who were the great excuse to try to take advantage of Alexa. Achieve it, of course, will depend a lot on the quality of the service and if it really represents a substantial improvement of its options. Alexa promised to get us to speak much more with our machines (specifically, with the Echo speakers), but the truth is that few users took advantage of them for something other than establish alarms or ask about time. And for Amazon. Achieving, for example, using Alexa in a “agricultural” way, would make them not only respond to things, but did them for us. They are already able to reproduce a song or a series on the Fire TV Stick, for example, but here the possibilities grow. For example, when combining those AI models with the immense catalog of Amazon products. Ask him to make the purchase or find a certain product and save us thus time (and perhaps money) are some obvious possibilities that could take advantage of this new version of Alexa. Subscribe to Alexa. Rumors suggest that Alexa’s renewed version will be available only through a subscription. That imposes clear doubts About its success, especially when so many other models are available for free and are already very powerful for certain scenarios. If we effectively have a “premium” payment, Amazon will have to have powerful arguments to convince us that it is worth paying for that service. In Xataka | “Telephone, come my life”: Anthropic’s agent wants to change our real lives

OpenAi has taken everything he wanted from the Internet to train his AI. Now accuses Depseek of stealing his data

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The models of AI of Deepseek They are really good. They show it comparative evidence we publish yesterday and that put it at the level of chatgpt, Claude or Gemini. That has unleashed praises, but also suspicion. There are people who do not believe that training deepseek It has cost just 5.6 million dollarsbut also now in Openai they accuse Depseek of something else. Deepseek, you are using our data without permission. Openai spokesmen have indicated Financial Times They have discovered evidence that “distillate” techniques have been used from OpenAi models used by Depseek. What is that of “distilled” in AI? Yesterday we talk about how Depseek developers have used a large number of techniques to achieve such an efficient model. Among them stands out for reinforcement learningbut it is also known that they use models distillate. In this technique a smaller “student model” is taught to behave as a larger and more advanced “teacher model”. Data of the “teacher model” are used so that the small model is faster and more efficient, but equally intelligent in specific tasks. Use not allowed. The distillate or distillation of models is a common practice in the industry, but the terms of OpenAi service prohibit that their models be used for this purpose. Thus, it is specified that users cannot “copy” none of their services or “use the output (of Openai models) to develop models that compete with Openai.” OpenAI and Microsoft have already investigated this. According to Bloombergboth companies analyzed last accounts that were being used to take advantage of their chatbots and that apparently belonged to Deepseek developers. They used Openai’s API, but there were suspicions that they had violated the terms of service by taking advantage of that access to make distillate of their models. Many do. David Sacks, responsible for AI in Donald Trump’s team, alerted him to what was happening and said there was evidence that Depseek had used OpenAi data. Spokesmen of the company led by Sam Altman indicated that “we know that companies of the People’s Republic of China – and others – are constantly trying to distill the models of leading companies in AI in the US.” The thief is believed that everyone is of his condition. The ironic thing here is that Openai has not had scruples when collecting internet data to train their models, also violating the terms of service of those platforms. Last year it was discovered for example how transcribed a million youtube hours To train GPT-4. Timnit Gebru, famous for his controversial dismissal From Google, I commented on LinkedIn that Openai “must be the most insufferable company in the world.” And he continued: “They can steal the entire world and swallow all possible resources. But no one can give them their own medicine not even a bit.” If you are on the Internet, it can be used, right? Other companies They do exactly the sameand are shielded in the argumetno of “fair use.” They collect Any public content On the Internet without asking users or permission or platforms. Not only that: it is suspected that in many cases these models are trained with works Protected by copyrightsomething that has resulted in numerous demands. Image | Xataka with Grok In Xataka | The next phase of AI is not to see who invests more but who invests less

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