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 hundred employees by June 2011. Square's office is located on Market Street in San Francisco. In September 2012, "Business Insider" magazine valued Square Inc. at US$3.2 billion. Dorsey is CEO of Square, Inc. On October 14, 2015, Square filed for an IPO to be listed on the New York Stock Exchange. As of that date, Dorsey owned 24.4% of the company. Producer Tom Anderson and correspondent Lara Logan interviewed Dorsey for a segment of CBS "60 Minutes" called "The Innovator: Jack Dorsey" which aired during March 2013. In 2013, talking to CNN, Dorsey expressed admiration for Michael Bloomberg and his