A group of tech titans is gobbling up land north of San Francisco with aspirations to alleviate the Bay Area’s housing crisis, promote innovation, and experiment with new forms of governance. It’s not the first time ultra-wealthy people have tried to build the place of their dreams. Will this time be any different? Then, note-taking apps claim to make us smarter. Usually, they don’t. Casey Newton, a productivity cult member, on how A.I. could change that. Plus, Kevin and Casey play HatGPT.