If a device could succeed on hype alone, Dean Kamen's Segway would have been a massive blockbuster. Steve Jobs told Time the two-wheeled scooter would be as big as the PC; venture capitalist John Doerr said it might make $1 billion in record time; and Segway itself promised it would "be to the car what the car was to the horse and buggy." Ultimately, thanks to a price range between $3,000 and $7,000, many people steered clear of it. The company only sold 30,000 units between 2001 and 2007.
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