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
- 2026-10-03: India’s government ordered Apple and Google to remove bitchat from app stores under Section 69A — offline mesh messaging app Dorsey launched in July 2026 (bitchat-india-app-store-ban)
- 2026-07-21: Announced Buzz as model-agnostic, decentralized, self-sovereign, open-source Slack/GitHub alternative (jack-dorsey-buzz-ai-agent-chat)