The story of Twitter's founding is one of Silicon Valley's most contested origin narratives, involving competing claims, bruised egos, a boardroom betrayal, and the kind of product discovery that happens more by accident than by design. The platform that would eventually reshape global communication was not created in a single visionary moment; it emerged from a hackathon, was shaped by multiple people with different visions, and required years of near-failure before it found its footing as a company.
The institutional origin point is March 2006 and a daylong brainstorming session organized by Odeo, a podcast startup that had been rendered commercially irrelevant by Apple's announcement that iTunes would support podcast distribution. Odeo's founders, including Evan Williams, who had previously sold Blogger to Google, were searching desperately for a new product direction. It was during this session that Jack Dorsey, then an Odeo employee who had been sketching ideas in a notebook for years about a dispatch service that would allow people to share their current status with a small group of friends, pitched a concept for a real-time short message service. Dorsey had been fascinated since childhood with dispatch systems — taxi dispatch, police dispatch, emergency services communication — and had imagined a civilian version of that infrastructure where individuals could broadcast their immediate status to their network.
The name Noah Glass proposed was 'twttr,' an intentionally vowel-stripped spelling reflecting the era's fashion for abbreviated web names, inspired partly by Flickr. The service was built in two weeks by a small team that included Dorsey, Glass, and Biz Stone, using SMS text messages as the underlying delivery mechanism — a design constraint that directly produced the now-iconic 140-character limit, which corresponded to the SMS standard of 160 characters minus a username prefix. Dorsey sent the first tweet on March 21, 2006: 'just setting up my twttr.'
The service launched publicly at the South by Southwest Interactive festival in Austin, Texas, in March 2007, and the conference setting proved to be perfect for its viral introduction. Attendees used Twitter to coordinate meetups, comment on panels, and share real-time observations about the conference in a way that made the platform's value immediately visceral. Conference usage spiked from 20,000 tweets per day to 60,000 tweets per day during the festival week, and journalists who attended wrote about the experience in ways that introduced the concept to millions of readers who had not been in Austin. The South by Southwest launch is frequently cited as one of the most successful product introductions in social media history, not because of any organized marketing effort but because the venue and the audience were perfectly suited to demonstrating exactly what made Twitter different from every other communication platform that preceded it.
But the founding story is complicated by the question of credit. Noah Glass, who proposed the name and was deeply involved in the product's early development, was pushed out of Odeo before Twitter became famous and received minimal public recognition for his role. A 2011 Rolling Stone profile and subsequent reporting revealed the extent to which the founding narrative had been shaped to minimize Glass's contribution, a pattern not unlike the disputed founding accounts of other Silicon Valley companies. Evan Williams, who became CEO when Dorsey was removed from the role in 2008 by the board he had helped assemble, later expressed his own account of the product's origins that differed from Dorsey's preferred narrative. Biz Stone, the fourth founding figure, wrote in his memoir that the true origin of Twitter was more collaborative and less attributed to any single genius than the popular story suggests.