Social learning tools as a way to include students who are at home due to illness into collaborative discussions held in class. Twitter is an established micro-blogging service available to individuals with Internet access world-wide and provides unlimited access to social networks for its users, to send and receive messages. In 2006, it was funded by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams. One of the common site users is media outlets to broadcast current news updates. For this reason, people use Twitter as a daily source of information to inform themselves on local and world news. Another way that Twitter
Jack Dorsey reinvention through design and simple interfaces of what it means to be mayor. Dorsey thinks becoming mayor of New York City is an aspiration that would raise the bar for him. He served as a judge for New York City Mayor Michael Bloomberg's NYC BigApps competition in 2011. Dorsey is an on-record donor to Democratic Party candidates. Dorsey was announced as a new member of the board of directors of The Walt Disney Company on December 24, 2013. The press release referred to Dorsey as a "talented entrepreneur" and explained that his experience is aligned with the corporation's "strategic priorities."