The Daily Index — Friday, September 19, 2025 · TLDR Index

Continued

TLDR AI — continued

TLDR AI

UNLIKE LLMS, WE CAN'T SCRAPE THE INTERNET FOR ROBOT DATA

Project Go-Big aims to build the world's largest humanoid pretraining dataset. It is training robots directly from human video data. Its humanoid robots learn navigation end-to-end using only human video. Examples of the videos the robots are training on are available in the thread.

threadreaderapp.com · 2 min

TLDR AI

HARD DISK UNEXPECTEDLY NOT DEAD

While progress has been made in DNA storage, the technology is still many decades away from competing with the hard disk. The research isn't a waste of resources, as it will eventually be feasible and economic. Time-scales in the storage industry are long. Bandwidth and cost remain the core problems of DNA storage.

blog.dshr.org · 12 min

TLDR AI

GEMINI USERS CAN NOW SHARE CUSTOM GEMS WITH OTHERS

Gemini users can now share custom-built automations and workflows with others.

testingcatalog.com · 2 min

TLDR AI

TESLA'S OPTIMUS AI TEAM LEAD DEPARTS TO JOIN META

Ashish Kumar, a Ph.D. in artificial intelligence from the University of California, Berkeley, led Tesla's Optimus AI team for more than two years.

eletric-vehicles.com · 5 min

TLDR AI

PERPLEXITY ENTERPRISE MAX LAUNCH

Perplexity's Enterprise Max is a new AI offering that combines its Max features with enterprise-grade security and control.

links.tldrnewsletter.com · 2 min

TLDR AI

I THINK “AGENT” MAY FINALLY HAVE A WIDELY ENOUGH AGREED UPON DEFINITION TO BE USEFUL JARGON NOW

An agent is simply an LLM that runs tools in a loop to achieve a goal.

simonwillison.net · 5 min

TLDR AI

100 CHATGPT PROMPTS FOR STUDENTS BY STUDENTS (INTERACTIVE DEMO)

OpenAI convened a council of college students to develop prompt ideas for schoolwork, career development, and life advice.

links.tldrnewsletter.com

TLDR AI

GOOGLE EXPANDS GEMINI IN CHROME TO ALL US USERS, PREVIEWS AGENTIC BROWSING FEATURES

The Chrome Gemini integration, which includes new agentic capabilities like booking appointments and ordering groceries, is now available to all US desktop users.

techcrunch.com · 3 min