Diaspora launched in 2010 with $200K from Kickstarter and four NYU students. The project still operates with 850K+ users. Its federated model now shapes Mastodon, Bluesky, and Threads.
Google Buzz launched Feb 9, 2010, shut down Oct 2011. Google+ followed and died in 2019. The pattern across Buzz, Wave, Plus, and the post-Threads landscape Google is sitting out.
The canonical Everything-PR hub for Facebook and Meta. How the platform reshaped communications, the News Feed and algorithmic distribution, Groups, Marketplace, the Meta family of apps, Cambridge Analytica, Frances Haugen, Meta AI, and the AI Communications era.