researchJul 24, 2026
Attention Is a Zoom
Every question you ask a session collapses to the same handful of moves: map, then zoom.
Joel Webber and Clint Ayres·7 min read
Blog
productJul 15, 2026
A map, not a movie
A good engineer never watches a session replay end to end. They orient, zoom, and inspect one layer at a time, the way you use the map in your pocket. Agentic Session Review gives your agent that same map.
Chip Lay·3 min read
companyJul 15, 2026
Introducing Subtext: Session Replay → Agentic Session Review
Today we're launching Subtext and opening the era of Agentic Session Review. For a decade Fullstory captured behavioral truth so humans could watch replays. It turns out that data is even more valuable to the agents you already use.
Scott Voigt·2 min read
companyMar 25, 2026
Build Together Again
AI gave everyone the power to build software. It forgot to give them a place to build it together.
Chip Lay·6 min read
productMar 5, 2026
Your agent can't see what it built
Coding agents write code, spin up previews, and ship PRs. But they still can't perceive their own work, and the humans reviewing it have no good way to talk back. Agentic Session Review fixes both: sessions your agent can read.
Chip Lay·5 min read