Watch our Microsoft Evangelist team present their app, Play it Forward, which they hacked together in 24 hours at TechCrunch Disrupt. 

It's an app that allows you to give people good karma points for helping you, while keeping track of all the good karma you earn.  They will be presenting in spot 42.

If you would like to follow the Evangelists on Twitter, we made a list for that. 
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