Do you know that many individuals in the Twitter universe have brought about great change by the power of a single tweet? Considering that a tweet cannot exceed 140 characters, that's pretty awesome stuff! To highlight the stories of these folks and to inspire others to do the same, Twitter on Tuesday (November 1) launched Twitter Stories - A site for Twitter users to share their experiences of how their one tweet brought about meaningful change. Each month Twitter will share a new collection of stories. Here's a snapshot of a few stories from the first series: stories.twitter.com A Life Saved One man tweeted - "Sh*t I need a kidney". In just a few days, 19 people responded and a match was eventually found. The Power of Marketing How Japanese fishermen use Twitter to sell their catch even before returning to shore. Public Transportation Woes Frustrated about the lack of information on trains, Ravi Pina created a system for commuters to get a...