Brex built its AI agent policy by watching what agents actually do, not by writing rules first

Brex's CrabTrap proxy inspects AI agent network traffic and drafts security policy from observed behavior, using an LLM judge ...
National Bureau of Economic Research

How People Use ChatGPT

Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 through July 2025, when it ...