On July 15, 2006, Jack Dorsey, Biz Stone, and Evan Williams launched Twitter to the public. Originally conceived as an SMS-based status update service (Dorsey's first tweet: "just setting up my twttr"), the platform's 140-character limit (later expanded to 280) forced a new form of communication — pithy, public, and immediate. Twitter became the de facto platform for breaking news, political discourse, celebrity communication, and social movements. The Arab Spring, #MeToo, and #BlackLivesMatter all organized and amplified on Twitter. In 2022, Elon Musk acquired the company for $44 billion and rebranded it as X, triggering an exodus of users and advertisers and prompting the rise of competitors like Bluesky and Threads.
Twitter Launches and Invents the Public Timeline
Twitter launched publicly, introducing the 140-character microblog format that would transform journalism, politics, and real-time communication.
Historical Context
July 15, 2006Twitter Launches and Invents the Public Timeline
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