TLDR 2026-07-16

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Big Tech & Startups

Stripe and Private-Equity Firm Advent Offer to Buy PayPal (2 minute read)

Stripe and Advent International have made a joint takeover bid for PayPal. They proposed paying $60.50 a share for PayPal in a deal that values the fintech company at around $53 billion. PayPal was valued at around $42 billion as of Friday. The company is currently in the early stages of orchestrating a turnaround under a newly appointed chief executive. There are no guarantees that PayPal will be receptive to the offer, as it has previously peaked at more than $300 a share.

Uber and Waymo Are Sparring. The Robotaxi Future Has Arrived (6 minute read)

Waymo and Uber are nominally partners. However, these days, the two companies are trading thinly veiled jabs in a gathering lobbying battle. An Uber representative highlighted at a public hearing this week how the company's drivers spend their earnings and pay taxes locally, while robotaxi profits flow to unnamed companies based elsewhere. A Waymo representative conceded that robotaxis would mean job losses, but noted that rideshare companies control drivers' earnings and are taking a significant chunk for themselves.

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Science & Futuristic Technology

Alzheimer's Blood Tests Offer New Promise to Diagnose and Predict the Disease (12 minute read)

Blood tests for Alzheimer's disease could eventually transform the way the disease is diagnosed and even predict who might develop it and when. There are still questions about their accuracy, so they shouldn't be used diagnostically for people who don't have cognitive impairment. However, they appear to be effective for predicting risk when paired with other factors. There are currently no treatment options available for people without symptoms, but that could change in the next couple of years as some therapies are currently in clinical trials.

The Fight Over Humanoid Robots Has Shut Down a Car Factory for the First Time (8 minute read)

Hyundai's auto workers in South Korea have gone on a partial strike to demand pre-emptive action in response to the threat of humanoid robots. Workers are demanding job security against future industrial shifts as humanoid robot technology improves. Hyundai plans to deploy its Atlas humanoid robot by 2028 at its nonunionized Metaplant factory complex in Georgia. The company says it is committed to constructive engagement with the union to reach an agreement that supports the long-term interests of both employees and the company.

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Programming, Design & Data Science

AI security is not cybersecurity (Sponsor)

Your AI agent can cheerfully leak IP to 3rd parties without triggering any SIEM alert. How do you build controls to defend against plain language attacks? Gray Swan's AI Security 101 eBook - based on research cited by frontier labs - looks at actually-working ways to govern AI risk. Get your copy

Why we stopped using SDKs (10 minute read)

SDKs are supposed to save developers time, but AI has changed the cost curve. Integrating with an SDK is often as much work as calling the HTTP API directly. It is now cheap to write a tailored REST client for exactly the endpoints developers need to use while providing better unified observability. Instead of shipping SDKs, companies will likely start shipping agent skills that teach agents how to call the API correctly, reuse the right patterns, and avoid pushing every runtime call through a vendor package.

The Marginal Cost of Correctness (7 minute read)

The marginal cost of correctness is going to zero. Engineers used to be able to differentiate themselves with raw technical talent, but this is becoming less true as agents are empowering anyone to write correct code. The most important skills to develop now are the ability to smell things out that just aren't right and the willpower to make them so.

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Miscellaneous

Mira Murati's AI Startup Releases First Model in Bid to Loosen AI Giants' Grip (5 minute read)

Thinking Machines Lab released its first AI model yesterday. Inkling has 975 billion parameters and is trained to be a broad, balanced foundation model. It is strong across many domains and flexible enough to adapt. The model is designed to balance cost against performance rather than for raw power. It can be customized through Tinker, a cloud-based fine-tuning tool for AI developers and researchers that Thinking Machines released last year.

Third-party app stores coming to Google Play next week as Epic settlement withdrawn (5 minute read)

Google will begin distributing rival app stores starting next week. These stores will have access to the full catalog of Google Play apps by default. Google is allowed to charge reasonable fees to cover its security and compliance review of third-party stores. Stores are required to block malware, respect intellectual property, and include mechanisms to update and uninstall apps. App stores can be removed from the program if more than 2% of attempted app installs appear to be malware or unwanted software.

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Quick Links

Forgetting next steps after a meeting? It's not a you problem (Sponsor)

No human can keep track of every back-to-back... but AI can. Download Granola. Run it in the background. Never miss a decision or an action item again. Free month with code TLDR1MO

Grok Build (GitHub Repo)

Grok build is a terminal-based AI coding agent that can understand codebases, edit files, execute shell commands, search the web, and handle long-running tasks.

OpenAI launches a physical keypad for controlling agents (1 minute read)

The Codex Micro is a keyboard created specifically for controlling OpenAI's Codex AI agent.

China Wants More Babies—So It's Cracking Down on Chatbot Love Affairs (3 minute read)

China has introduced regulations that forbid chatbots designed for companionship from encouraging emotional reliance and having relationships with minors, and companies are now required to alert a person's emergency contact if they detect an emotional crisis.

You only need the frontier model for one single edit (6 minute read)

Prefill works as a jailbreak because it isn't just a funny quirk, it's how models work.

SpaceX unveils Starlink next-gen V5 kit: here's what's new (2 minute read)

The new V5 Starlink kit features a dramatically smaller and lighter form factor.

Airbnb's Cost of Market Creation and Regulatory Survival (7 minute read)

The evidence shows that Airbnb has a negligible impact on rent and housing prices.

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Dan Ni & Stephen Flanders

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Stripe's PayPal bid 💰, Uber vs Waymo 🚗, against SDKs 👨‍💻