Jack Dorsey decided that SMS text suited the status-message idea, and built a prototype of Twitter in about two weeks. The idea attracted many users at Odeo and investment from Evan Williams, who had left Google after selling Pyra Labs and Blogger. Williams, Stone and Noah Glass co-founded Obvious Corporation, which then spun off Twitter, Inc., with Dorsey as the Chief Executive Officer (CEO). As chief executive officer, Dorsey saw the startup through two rounds of funding by the venture capitalists who backed the company. He reportedly lost his position for leaving work early to enjoy other pursuits, such as yoga and
Biz Stone Strategies for Instant Web Content" (New Riders, 2002), "Who Let The Blogs Out?" (St Martins, 2004),[19] and "Things A Little Bird Told Me" (Grand Central, 2014). In addition to his long running personal blog and Medium articles, Stone has published op-eds for The Atlantic, and The Times of London. Stone is an active philanthropist, and is involved in causes including animal rights, veganism, environmentalism, poverty, health and education. Stone is an advisor and contributor to DonorsChoose, a nonprofit organization helping classrooms in need. Stone lives in Marin County, California with his wife Livia and his son Jacob. He and his