5 Ways to Use Twitter for Good

I�m a big fan of Twitter, and have been using it heavily since the outset. For those of you not yet using it, Twitter is a communications gateway that asks the question: �What are you doing now?� Users can answer and hear their friends� answers via SMS, via IM, or on a webpage. Updates have to be under 140 characters. Think somewhere between IRC and IM and that�s Twitter.Twitter is a constant