Claiming your product will revolutionize the industry? Dissing your competitors? Comparing yourself to Steve Jobs? If you don't live up to your own hype, you might end up permanently scarring your business. Take it from Color's Bill Nguyen and Blockbuster's Jim Keyes.
Foursquare has entered the mostly uneventful period between takeoff and landing. And one of its earliest employees, Tristan Walker, has left the comfort of its cruising altitude in search of the next rocket ride.