Jack Dorsey and Block have launched Buzz, an open source workplace chat app that combines team messaging, AI agents, and GitHub workflows.

Wired reports that Mark Zuckerberg and Jack Dorsey are deploying AI systems to manage at scale, raising questions about control and corporate governance.

Jack Dorsey announced Block, the fintech company behind Square and Cash App, is slashing its workforce by nearly half — from over 10,000 to under 6,000 employees — as AI tools enable a fundamentally new way of building and running companies.