From the Pittsburgh Post-Gazette
Nearly 20 percent of Internet users say they now use Twitter or another service to share updates about themselves, according to a new survey by the Pew Research Center's Internet & American Life Project. This is a big increase over a similar survey in April, when 11 percent of users said they used a status-update service.
Twitter, the micro-blogging site founded in May 2007, allows users to send text messages of up to a 140 characters from their smart phone...