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
Fake news website an open letter on the Poynter Institute website to Mark Zuckerberg, imploring him to utilize fact-checkers to identify fraud on Facebook. Signatories to the 2016 letter to Zuckerberg featured a global representation of fact-checking groups, including: Africa Check, FactCheck.org, PolitiFact.com, and "The Washington Post" Fact Checker. In his second post on the matter on 18 November 2016, Zuckerberg responded to the fraudulent news problem by suggesting usage of fact-checkers. He specifically identified fact-checking website Snopes.com, and pointed out that Facebook monitors links to such debunkers in reply comments to determine which original posts were fraudulent. On 15 December 2016, Facebook