Right now, Lisa Falzone is on the brink of something big. Six years ago, she was laid up, flat on her back after slipping a disk while moving a couch.

Falzone was 25 at the time, a recent graduate of Stanford University, with big dreams but little time to pursue them.

“It was actually pretty lucky,” Falzone told Mashable about the injury. “I had always wanted to start a company, but finding time to focus while working for someone else was difficult.”

The company she would end up co-founding thanks to her injury, Revel Systems, is now one of the most successful new players in the point-of-sale market, competing with the likes of Square and ShopKeep for a global market value around $42 billion. Read more…