This page may contain stale information. Last updated: 2026-07-22
Overview
Jack Dorsey is co-founder of Twitter and block (Square). In July 2026 he publicly announced buzz, Block’s open-source human+agent chat platform.
Recent Developments
- 2026-07-21: Announced Buzz as model-agnostic, decentralized, self-sovereign, open-source Slack/GitHub alternative (jack-dorsey-buzz-ai-agent-chat)