BACtrack is a personal breathalyzer that quickly estimates your blood alcohol content (BAC).

The Great Lakes Geek reviewed the unit to see if and how technology can keep you and others safer after having a drink or two.

In his role as IT Pro evangelist with Microsoft, Matt Hester gets to "play with" the latest technologies and become an expert in them. He's always been a great presenter but now he is also a published book author with a book on Windows Server 2008 R2

We caught up with Matt at a recent Cleveland event and recorded a few vidcasts that focus on cool, current technology such as the Cloud, Virtualzation, Windows Azure, Windows Server 2008 R2, Sharepoint and Office 2010