Square Cofounder: Jack Dorsey Is Like Hello Kitty

Some 2,000 miles away from Square's massive new headquarters in San Francisco, Jim McKelvey is standing in work boots and a thick dock coat trying to revive a city McKelvey founded the mobile payments company in 2009 with Jack Dorsey, who had previously helped launch Twitter. As the story goes, McKelvey, a serial entrepreneur, was operating a glass-blowing business and lost out on a sale because he was unable to process a credit card payment. Out of that experience came the idea for Square, a co...