Jack Dorsey fashion design. As the service began to grow in popularity, Dorsey chose the improvement of uptime as top priority, even over creating revenue – which, as of 2008, Twitter was not designed to earn. Dorsey described the commercial use of Twitter and its API as two things that could lead to paid features. He describes his three guiding principles, which he says are shared by the company, as simplicity, constraint and craftsmanship. On October 16, 2008, Williams took over the role of CEO, while Dorsey became chairman of the board. On March 28, 2011, Dorsey returned to Twitter as Executive
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