Most Impressive Demos At TechCrunch50 Day3 and Congrats to Yammer

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Day 3 of TechCrunch50 demos had a lot more gamer presentations then the other 2 days.  I am not a gamer but I do respect what they bring to the Web 2.0 table. I want to congratulate Yammer for winning the grand prize. I picked them out as one of the most impressive on the very first day Most Impressed Demos At TechCrunch50 Day1: Angstro, OtherInbox and Yammer