We’ve witnessed a revolution in A.I. since the public rollout of ChatGPT.  Our Senior Editor David Kestenbaum thinks that even though there’s been a ton of coverage, there’s one thing people haven’t talked much about: have these machines gotten to the point that they’re starting to have something like human intelligence? Where they actually understand language and concepts, and can reason? He talks with scientists at Microsoft who’ve been trying to figure that out.

When to leave Twitter is a question lots of executives faced when Elon Musk took over the company — those who weren't immediately fired, anyway. We hear an insider’s account from the man who ran Trust & Safety at the company, until he couldn’t stand it anymore.

Host Ira Glass talks with David Kestenbaum about a phone app that can create alternate universes with the press of a button.