TLDR Index
TLDR

TLDR 2026-10-30

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01GENERAL

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02BIG TECH & STARTUPS

DOORDASH TO BUY INSTACART FOR $17 BILLION, UNITING 2 DELIVERY GIANTS

DoorDash will acquire Instacart for $17 billion. Instacart shareholders will receive $65 per share, 26% over the company's price on October 22. Combining the companies' technology and infrastructure will result in faster deliveries and more affordable prices. The deal is expected to close late next year or in 2028.

nytimes.com7 min read

REDDIT IS MOVING TO “A LOGGED-IN-ONLY EXPERIENCE,” CEO SAYS

Reddit will start testing a logged-in-only experience in select non-US markets in Q4. The company's CEO says the login requirement will help Reddit retain new users. It will also provide more signals for ads targeting and help protect access to the site's data. The changes will make it significantly easier for Reddit to understand who uses Reddit and why, which will help the site manage things like AI scraping and evolving search habits.

arstechnica.com2 min read

03SCIENCE & FUTURISTIC TECHNOLOGY

ELON SAYS BLINDSIGHT IS READY 2 YEARS AFTER FDA BREAKTHROUGH

Neuralink's Blindsight implant is now ready from an engineering standpoint. The device is designed to help blind people see. It is currently waiting on regulatory approval before it can be sold to customers. It has already received Breakthrough Device Designation from the US FDA, which will help speed review of the device.

teslanorth.com2 min read

A GOLDEN AGE OF SCIENCE IS COMING

Progress has started to accelerate in science in the last two years. AI can send hordes of superhumanly fast, well-read, and mathematically gifted researchers to accelerate scientific research. It is possible AI will enable new types of discovery and ways of understanding the natural world that no network of humans would ever be able to discover. Unless humans have actually somehow discovered most of the actual exploitable regularities in the Universe, we're about to enter a new golden age of science.

noahpinion.blog16 min read

04PROGRAMMING, DESIGN & DATA SCIENCE

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A LITTLE DETERMINISM

Adding constraints to AI agents usually makes them less capable. Sometimes the solution is to create a template or a complete multi-stage workflow. The challenge is in creating the deterministic behavior while retaining the agent's freedom to use the best tools for the job. This post discusses a solution that uses a man-in-the-middle egress proxy that forces behavior by denying actions and forces reactions via automated messages.

cra.mr16 min read

MAKING AGENTS FAST - WHAT I'VE LEARNT OVER THE LAST 12 MONTHS

Knowing what part of inference a project relies on for speed is important. Check thinking budgets, and read traces, as they often contain valuable insight into what an agent wants to do. Give agents the tools they want rather than what you think they need. Faster hardware still matters, sandboxing and microVMs add complexity, parallelization helps, and classic software performance optimization is still relevant.

martinalderson.com12 min read

05MISCELLANEOUS

BINANCE SUSPENDS TRANSACTIONS AFTER IT IS TARGETED IN BIGGEST-EVER CYBER HEIST

Binance has suspended transactions after a hack that the exchange said totaled around $6.3 billion. Stablecoin providers Tether and Circle moved quickly to freeze some of the stolen assets. The heist appears to have been conducted by a North Korean hacking group. Binance's founder said in a post on social media that users' funds are safe.

wsj.com5 min read

WE WON'T “JUST HANG OUT”

The standard answer for what humans will do after the Singularity is that people 'will just hang out'. However, AI will destroy the processes by which people come together and build relationships. With unlimited entertainment, people might not even want to socialize with other people. The people in the AI utopia will have no skills, education, or accomplishments, so they'll likely not be worth talking to, and you probably wouldn't want to hang out with them.

borretti.me3 min read