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Seth Priebatsch , a lanky 22-year-old in a fireball-orange polo with matching orange wraparound shades perched on his crown, bounded onto the stage to deliver the first keynote speech at South by Southwest this year.

The Boston startup plans to disrupt Groupon and Foursquare by making a game that combines the genius of both, and imagines how the benefits of games can extend beyond business. Thousands of SXSW -goers packed like dominoes onto the escalators of the Austin Convention Center on Saturday, waiting to hear Seth Priebatsch, the 22-year-old founder and "chief ninja" of Scvngr , proclaim the future of location-based apps