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Though the charity events aren't officially organized by Twitter, the social-media service is at the center of the organizing process for these worldwide fundraisers.
What could you do with a laptop, Twitter and an idea? Raise $1m dollars for charity? With Twestival, event producer Amanda Rose aims to do just that
Using Twitter and Facebook to spread awareness and raise funds is all the rage, but will the space become so diluted that individual groups' effectiveness is undermined?
The AP thought it was dropping a huge bomb Wednesday when it reported that Facebook's valuation was $3.7 billion last summer. But The New York Times noted this nearly eight months ago.
Twitter's "suggested users" list is a Who's Who of Twitter celebrities, featuring the likes of Al Gore, Lance Armstrong, Ashton Kutcher, John McCain, Martha Stewart, and others with millions of followers.
Microblogging service may be the most pervasive broad- and narrowcasting social network, propelled by an ever-growing and sophisticated user base.