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 content, including fake news, and review publishers for compliance. These steps by both Google and Facebook intended to deny ad revenue to fraudulent news sites; neither company took actions to prevent dissemination of false stories in search engine results pages or web feeds. Facebook CEO Mark Zuckerberg called the notion that fraudulent news impacted the 2016 election a "crazy idea" and denied that his platform influenced the election. He stated that 99% of Facebook's content was neither fake news nor a hoax. Zuckerberg said that Facebook is not a media company. Zuckerberg advised users to check the fact-checking website Snopes.com