A man and his hybrid bike won Yahoo's "Think Big" contest, the company announced Thursday. Craig Ridenhour, a cardiovascular ultrasound specialist who developed the StairCycle, received 10 million free ad impressions for winning the top prize.
The StairCycle, a hybrid bicycle that combines the benefits of a stair-step exercise system with a recreational bike. Ridenhour's StairCycle was selected for its "inventive product and entrepreneurial spirit," by Richard Branson, chairman of Virgin Group and a contest judge.evaluated the best business plans, which attracted nearly 8,000 entries. Ridenhour's invention is the