YACs, the Colosseum, and Email Collaboration

YACs, the Colosseum, and Email Collaboration: GrexIt is a Citrix Startup Accelerator company that adds core collaboration capabilities to good old (comfortable) email - in other words they enable email collaboration. This is cool stuff. Here are some of their thoughts on how to take an existing technology (email) and make just enough changes to let existing behaviors achieve ever so much more.