In-depth case studies in three disparate cities (Denver, Macon and Sioux City) show that local news still matters, with nearly nine-in-ten city residents following it closely.
In November 2010, 8% of online adults used the platform. As of January 2014, 19% of online adults were using Twitter.
Twitter's announcement on Sept. 12 that it planned to go public with an initial public offering follows seven years of growth in the user of the social media platform.
A small share of Americans still connect to the internet at home via dial-up.