Market Revolution

Kicking his feet up and sprawling across the couch in the lobby of Ybor City's Don Vincente Inn, Brian Halligan pulls his keys out of his pocket, hanging them over the floor, mimicking Salvador Dali. He drops the keys, showing how the sound would quickly wake someone up who was drifting off.

It's how Dali would come up with his best ideas, Halligan explains. Halligan says he can relate to the famous surrealist painter because his best ideas also come to him when he's falling in and out of sleep.

Halligan, 46, is the CEO of online marketing software HubSpot, which boasts more than 10,595 customers from 56 different countries, who pay a minimum of $200 a month for a subscription.