MCN’s 2010 Conference in Austin will include Nerd Badges. They are based on the popular foursquare badges. foursquare is a cross between a friend-finder, a social city-guide and a game that rewards you for doing interesting things.
Designs are currently being refined but the general idea is that there will be several badges that participants will be able to earn at the conference:
Here are some samples:
MCN Austin Badge
SIG Chair
Scholarship Recipent
Board Member