4 outlets·4 reports
Jack Dorsey’s Block takes on Slack with Buzz, a workspace for humans and AI agents

ThinkingNews Desk · how this was written
Jack Dorsey’s company Block has launched Buzz, an open-source collaboration workspace that merges team chat, AI agents and Git-style code hosting. Built on the Nostr protocol, the platform lets humans and AI agents share messages, code repositories, workflows and other collaborative content, positioning itself as a direct competitor to Slack.
Written from all 4 reports below, not from any single one.
How it was reported
- Hacker News·Jack Dorsey launches Buzz to combine team chat, AI agents and Git hosting
- TechMeme·Block launches Buzz, an open source collaboration workspace on Nostr protocol for humans and AI agents to share messages, code repositories, workflows, and more (Block)
- TechCrunch·Jack Dorsey is taking on Slack with Buzz, a group chat platform for teams and their AI agents
- The Next Web·Jack Dorsey’s Block takes on Slack with Buzz, a workspace for humans and AI agents
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