Meet the 30 Under 30 Coolest Entrepreneurs

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21 of 30

Seth Priebatsch, Scvngr and LevelUp

Seth Priebatsch left Princeton to work on Scvngr, a mobile scavenger-hunt platform and location-aware check-in app. Today, his Boston-based company has grown to 80 people, attracted $15 million in investment, and this year launched a daily deals website and application called LevelUp. It's focused on an area other daily deals sites neglect: boosting customer loyalty. Read more.