Founders: Hussein Fazal, 29; Kristaps Ronka, 24
Company: AdParlor, Inc.
Year founded: 2008
Location: Toronto, Canada
2010 Revenue: Undisclosed
2011 Projected Revenue: Undisclosed
When Facebook launched its API in 2007, allowing developers to build games and applications for the social medium, Kristaps Ronka and Hussein Fazal "just started building things for fun." For instance, they built a treasure hunter app and an app to share documents with friends.