This is the first part of a conversation I had with Greg Grunberg who plays Matt "The Mind Reader" Parkman on the TV show Heroes about Twitter. Twitter can be called a lot of things, but one of the things it is is a great facilitator. It facilitates connections that make real differences in people's lives. Greg Grunberg (@greggrunberg) started using Twitter. My friend Rick "MacMerc" Yeager (@rickmacmerc) likes Heroes and when he noticed that Greg was using Twitter, he offered Greg some tough love to to help him get the most out of his Twittering. Greg and Rick became friends and now they're business partners. They'll be launching an iPhone App soon called Yowza!! My friends Dave (@davecurlee) and Kat Curlee (@katcurlee) recently found out their daughter has epilepsy. Kat shared the news on Twitter. Greg Grunberg has a son with Epilepsy and he serves as the Chair for the National Walk for Epilepsy. He reached out to Kat with encouragement and advice and really helped to alleviate ...