GeoClark

Environment, September/October 2009 —“Twitter, the microblogging Web site that enables users to post unlimited messages of 140 characters or less, became the fastest-growing Internet communication tool earlier this year, according to Nielsen Online. It reached 1.2 million unique visitors in May 2008 and 18.2 million this May, a more than fourteenfold increase. As with any general broadcast communication tool, Twitter can provide a helpful service to those with….” (more)