TikTok deal 📱, GPT-5-Codex 🤖, Alzheimer's reversal trial 💊

The US has reached a preliminary deal with China on the fate of TikTok. Both sides have agreed to a framework to divest TikTok from ByteDance ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With TLDR 2025-09-16 The MSP way: overpromise, underdeliver, and. charge for every ticket (Sponsor) Ever feel like your MSP is reacting to problems rather than preventing them? Like you're paying premium prices for service that's average at best? Like security is barely even an afterthought? Then you know it's time to rethink your IT partner. ⬛️ ThreatSpike Black replaces outdated MSPs with a single, fixed-price subscription that includes: ✔ Unlimited IT support and helpdesk ✔ Cloud, infrastructure, and compliance management ✔ Security baked in — from monitoring to penetration testing One bill. One partner. No compromises. Discover the ThreatSpike way 📱 Big Tech & Startups U.S. and China Reach 'Framework' for a TikTok Sale (7 minute read) The US has reached a preliminary deal with China on the fate of TikTok. Both sides have agreed to a framework to divest TikTok from ByteDance. President Trump and Xi Jinping are set to speak on Friday to approve the deal. OpenAI upgrades Codex with a new version of GPT-5 (2 minute read) OpenAI's new model, GPT-5-Codex, spends its 'thinking' time more dynamically than previous models. It can spend up to seven hours on a coding task. The model is rolling out now in Codex products to all ChatGPT Plus, Pro, Business, Edu, and Enterprise users. It will be made available to API customers in the future. 🚀 Science & Futuristic Technology Sam Altman-Backed Retro Biosciences Starts Alzheimer's Reversal Trial (4 minute read) Retro Biosciences is gearing up for a clinical trial of a drug aimed at reversing the effects of Alzheimer's disease. The drug could potentially restore cognitive function in ways that could redefine longevity treatments. Retro's approach leverages cellular reprogramming techniques. The upcoming trial will test the pill's efficacy in human subjects. New Ultrasound Helmet Reaches Deep Inside The Brain Without Surgery (4 minute read) Researchers have created an ultrasound helmet that could offer an alternative to invasive procedures. It can modulate deep-brain circuits without surgery with unrivaled precision. The helmet offers a safe, reversible, and repeatable method for both understanding brain function and developing targeted therapies. It has potential clinical applications for neurological disorders like Parkinson's disease, where deep-brain regions are especially affected. 💻 Programming, Design & Data Science Reach millions of tech professionals at scale (Sponsor) Over 6 million tech professionals read TLDR including developers, product managers, marketers, designers and executives. Get in front of your target audience with an ad placement just like this one! Learn more about running a test campaign. A terminal command that tells you if your USB-C cable is bad (4 minute read) Android Studio recently added a new feature that warns users when they connect a slow cable to their phones. This post presents a script that checks USB connections in macOS. The script was originally cobbled together with AI, but while it worked, it was a mess to maintain. The developer used AI to port it to Go so the code could be structured more legibly and more easily tweaked. Apple has a private CSS property to add Liquid Glass effects to web content (3 minute read) Apple has a custom CSS property named -apple-visual-effect that allows the use of Liquid Glass in iOS 26. It only works by toggling a private setting in WKPreferences, so using it means no App Store approval. No one outside of Apple can use it - and no one knows where Apple is using it. 🎁 Miscellaneous CubeSats are fascinating learning tools for space (10 minute read) It's possible to build a space-ready CubeSat using just a few thousand dollars of parts. Many CubeSats use Raspberry Pis and other off-the-shelf components. This post introduces CubeSats and shows readers how they can build their own CubeSats. It also covers several CubeSat projects by other creators. The Last Days Of Social Media (32 minute read) Genuine human content is increasingly being sidelined by algorithms. Engineered content and AI slop optimized solely for clicks are being prioritized. Early social media was built for connection. The generative AI-fueled attention economy has broken that illusion. Feeds are no longer crowded with people, but with content. TLDR 2025 Reader Survey (1 minute) How can we improve TLDR? We'd really appreciate it if you could fill out this three question survey to give us a bit of feedback! ⚡ Quick Links Warp Code: build with the coding agent that beats Claude Code and Codex on benchmarks (Sponsor) Get access to all the best models in one native app - with a built-in code editor, code review panel, MCP tools, and more. Try for $0 Taste (8 minute read) Taste is humanity's last edge over AI. Why aren't you a good fit? (5 minute read) Asking candidates why they shouldn't be hired is a good filter. StringWa.rs on GPUs: Databases & Bioinformatics 🦠 (16 minute read) StringZilla is a string library that uses SIMD and SWAR to accelerate string operations on modern CPUs. 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. How people actually use ChatGPT vs Claude - and what the differences tell us (8 minute read) Most ChatGPT usage is not work related, while Claude is used more for automation, especially coding. The 4p Developer: The Missing Layer in Platform Thinking (13 minute read) 4p developers, the developers that build tools for other developers on platforms, are the fourth party that makes platforms explode. Programming Deflation (5 minute read) Understanding, integration, and judgment will be the differentiators that separate signal from noise. 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! 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