{"type": "article", "title": "Jack Dorsey’s Block launches Buzz groupchat platform to challenge Slack and GitHub", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/jack-dorseys-block-launches-buzz-groupchat-platform-to-challenge-slack-and", "original_source": "https://cryptobriefing.com/jack-dorseys-block-launches-buzz-groupchat-platform-to-challenge-slack-and-github/", "published": "2026-07-21T18:04:26+00:00", "accessed": "2026-07-22", "id": "jack-dorseys-block-launches-buzz-groupchat-platform-to-challenge-slack-and"}