Demographics. All wired up but not so happy about it. Pew Internet & American Life Project. Twitter users are mobile, less tethered by technology In the past three years, developments in social networking and internet applications have begun providing internet users with more opportunities for sharing short updates about themselves, their lives, and their whereabouts online. Users may post messages about their status, their moods, their location and other tidbits on social networks and blogging sites, or on applications for sending out short messages to networks of friends like Twitter, Yammer and others. As of December 2008, 11% of online American adults said they used a service like Twitter or another service that allowed them to share updates about themselves or to see the updates of others.
Of the standalone applications that enable short messaging to a network of friends, Twitter is the most well known. Twitter’s open development platform allows outside developers to build add-on applications to expand the service’s functionality. Portrait of a Twitter user. Adult Social Network Users Quadruples Over Four Yea.