The Hallway Track

Latest signals

Every signal tracked from the world's AI conferences — 4,665 talks, quotes & announcements, newest first.

What Is RAG, Actually?

LangChain · Jul 24, 2026

RAG gives models access to private data at inference time without retraining

“retrieval augmented generation as giving the model an open book test instead of making it memorize everything”
He Built the World's #1 Open-Source Coding Agent

Y Combinator · Jul 24, 2026

Open-source coding agent OpenCode hit 13M monthly active users with 20x growth in 2026

“We also recently started processing around 7 trillion tokens per day. Uh for context, uh Open Router does a total of around 6 trillion.”
How Bridgewater Built an AI Analyst That Does Hours of Expert Research in Minutes

LangChain · Jul 24, 2026

Bridgewater's AI analyst PAT compresses expert research hours into minutes, live across hundreds of investors.

“PAT is not a prototype today. It was actually deployed internally several months ago. And we now have hundreds of investors using it every single day, which is leading to a pretty incredible flywheel of improvement.”
How Photoroom Trained Themselves To Dream Bigger

Y Combinator · Jul 24, 2026

Photoroom reached 300M downloads and 20M users by narrowing focus, not expanding it.

“don't misinterpret depth with ambition. Being deep is actually a great way to achieve ambition.”
The Best Time to Build in Crypto

Y Combinator · Jul 24, 2026

YC predicts AI agents will inevitably use crypto networks as financial rails

“it feels inevitable that agents are going to use crypto networks as financial rails”
PM vs. Eng

Google Developers (Google I/O) · Jul 23, 2026

Google I/O skit highlights PM-engineer tension behind Android feature development

“I'm a PM and I want a notification summaries so on device AI can automatically summarize 30 plus unread group chat messages into a single haik coup.”
AI for the Aging Population

Y Combinator · Jul 23, 2026

AI enables voice, monitoring, and robotics products for the massive underserved aging market

“This is one of the largest, most underserved markets in the world, and it's growing every single day.”