Twitter users network to raise funds for charities - USATODAY.com

Tweet. Meet. Give. That's the call to action for "Twestival," a multicity international fundraiser scheduled Thursday through Sunday that uses the social network Twitter as its starting point.

It works this way: People with Twitter accounts write tweets — messages of 140 characters or less — suggesting a charity they support and want to help. They volunteer as event organizers and sponsors, and invite their network of friends and co-workers to attend, says Amanda Rose, a London-based communications consultant who originated the concept in 2008...