Svmuu News: Jack Dorsey, founder of Block, has announced the launch of Buzz, an open-source, decentralized group chat app designed to challenge team collaboration platforms like Slack. Built on the decentralized social protocol Nostr, Buzz is aimed at teams composed of humans and AI agents and supports chat, project management, coding, and PR collaboration. Block states that the app is decentralized and open-source, allowing users to retain control over their data, while teams can collaborate with members and dedicated agents within a shared space.