X CEO resigns 💼, Grok 4 🤖, Nvidia hits $4T 💰

Linda Yaccarino is stepping down as chief executive of X after months of uncertainty. The company initially struggled with an exodus of advertisers ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With TLDR 2025-07-10 ⚡Warp's AI coding agent leaps ahead of Claude Code to hit #1 on Terminal-Bench (Sponsor) Warp just launched the first Agentic Development Environment, built for devs who want to move faster. It's the top overall coding agent which just jumped ahead of Claude Code by 20% to become the #1 agent on Terminal-Bench and scored 71% on SWE-bench Verified.  ✅ Long-running commands: something no other tool can support ✅ Agent multi-threading: run multiple agents in parallel – all under your control ✅ Across the development lifecycle: setup → coding → deployment Warp is emerging as the ADE of choice for pro's, trusted by 500K+ developers and 56% of the Fortune 500. "Absolutely amazing. Transformed my workflow." — Yash Patil, Technical Staff at OpenAI Try Warp's coding agent for yourself → 📱 Big Tech & Startups xAI gave us early access to Grok 4 - and the results are in (4 minute read) According to new benchmark tests, Grok 4 is now the leading AI model. Grok 4 is a reasoning model that costs $3 per million input tokens and $15 per million output tokens. It is expected to be available via the xAI API, the Grok chatbot on X, and potentially on Microsoft Azure AI Foundry. xAI's API serves Grok 4 at 75 tokens per second, which is slower than OpenAI's o3 but faster than Anthropic's Claude 4 Opus Thinking. Linda Yaccarino Steps Down as CEO of Elon Musk's X (5 minute read) Linda Yaccarino is stepping down as chief executive of X after months of uncertainty at the company. The company initially struggled with an exodus of advertisers under Elon Musk's ownership. X is now expected to see ad revenue growth for the first time since the takeover. Yaccarino said that this made it a good time to depart. 🚀 Science & Futuristic Technology Hugging Face just launched a $299 robot that could disrupt the entire robotics industry (13 minute read) Hugging Face's Reachy Mini is a $299 desktop robot designed to address accessibility in robotics development. It features six degrees of freedom in its moving head, full body rotation, animated antennas, a wide-angle camera, multiple microphones, and a 5-watt speaker. There is a fully autonomous wireless version that includes a Raspberry Pi 5 computer and battery. The robot can be programmed in Python - JavaScript and Scratch support is planned. Hugging Face plans to release all hardware designs, software, and assembly instructions as open source. Inside a neuroscientist's quest to cure coma (9 minute read) Neuroscientist Daniel Toker, a postdoctoral fellow at the Department of Neurology at UCLA, is on a quest to understand the neurobiology of unconsciousness. He says consciousness and unconsciousness are deeply intertwined - and we still don't really know what it means to be conscious. Unconsciousness is a common endpoint for a lot of conditions, so it's easier to study scientifically and also medically important. Toker's grandest aim is to cure coma and other disorders of consciousness, such as the vegetative state. 💻 Programming, Design & Data Science Delve generated $1M in pipeline from TLDR newsletter ads (Sponsor) Delve ran 4 ads across 2 TLDR newsletters and brought in 66 leads, with a meaningful chunk from enterprise. The result: $1M in attributed pipeline and a 52x ROI. This case study breaks down their strategy, results, and example ads. Read the Delve case study. systemd has been a complete, utter, unmitigated success (7 minute read) Before systemd, developers were using init scripts of varying quality with janky dependencies and wildly varying semantics. This article looks at how systemd has changed the Linux landscape. It looks at the problems with init, the features systemd introduced, and other ways systemd changed the development process. systemd has largely been a success story and it proved many dire forecasts wrong. Announcing FOKS, the Federated Open Key Service (5 minute read) FOKS is a fully open-source and federated key service with SSO and YubiKey support. It aims to give teams of users, each with multiple devices, shared secret keys so they can share data securely across the internet. Anyone can run a FOKS server and control their own localized namespace. FOKS allows for an open market of service providers - users can pick the one with the security, privacy, availability, and moderation policies that best suit them, or host their own. 🎁 Miscellaneous How Nvidia Became the World's First $4 Trillion Company (6 minute read) Nvidia became the first company in history to reach a market value of $4 trillion on Wednesday morning. The company's fortunes have surged over the past three years thanks to the rise of generative artificial intelligence. It builds the chips that power the AI industry. This article looks at the history of the company and how it developed into the AI chip giant it is today. OpenAI is reportedly releasing an AI browser in the coming weeks (1 minute read) OpenAI plans to release an AI-powered browser in the coming weeks. The browser will supposedly keep some user interactions inside ChatGPT instead of linking out to websites. It may integrate Operator, OpenAI's web-browser AI agent, as a key feature. Launching a browser would allow OpenAI to gain direct access to user data and create novel user experiences. ⚡ Quick Links Craving more AI in your inbox? (Sponsor) TLDR AI is your daily fix of LLMs, GenAI, and deep learning goodness. Same TLDR format. Still free. Subscribe now. Apple looks to bid on becoming US home for Formula 1 (1 minute read) ESPN's Formula 1 contract ends next year - Apple will be up against many other bidders. Meta Poached Apple's Pang With Pay Package Over $200 Million (4 minute read) The compensation package consists of a base salary, a signing bonus, and Meta shares, with the stock as the weightiest part of the package - much of the money is tied up in performance targets to be unlocked after years of loyalty. Apple M4, more comfortable strap will headline first major Vision Pro update (3 minute read) A new version of the Vision Pro could arrive as early as this year. Galaxy Unpacked 2025: Everything Samsung announced including the Z Fold 7, Z Flip 7, and Galaxy Watch 8 (7 minute read) The Galaxy Z Fold 7 is Samsung's thinnest foldable ever, but it no longer has S Pen support. Tesla Is Days Away From Violating a Texas Law. What's Going On? (6 minute read) Tesla is days away from missing a deadline to hold an annual shareholders meeting. Seeing like an LLM (16 minute read) Large language models autocomplete a context and answer what they think is asked - the more context they are given, the more likely they are to provide the right answer. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/7c97ce4b/ Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of tech executives, decision-makers and engineers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! If you have any comments or feedback, just respond to this email! Thanks for reading, Dan Ni & Stephen Flanders Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR isn't for you, please unsubscribe.