Saylor URL: http://www.saylor.org/books Saylor.org
based microblogs include Tumblr (http://www.tumblr.com), Streem (http://www.streem.us), and Soup
(http://www.soup.io). On Twitter, posts are called tweets and are limited to 140 characters. Despite
frequent disruptions to Twitter’s service, its users are fiercely loyal. These posts are usually short thoughts
or URLs to interesting articles.
Twitter has also become massively popular due to the nature of its immediacy. Major news events such as
the Mumbai attacks in November 2008 were extensively covered by Twitterers, and breaking news can
also regularly be found here first. A year-on-year study from February 2008 to February 2009 saw
Twitter’s monthly unique visitors increase by 1,382 percent. [3] Twitter has entered the mainstream, with
public figures such as Barack Obama (http://www.twitter.com/barackobama) and Britney Spears
(http://www.twitter.com/britneyspears) having set up accounts.