"If you have an iPhone or an Android, you have all the sensors and technology necessary to fly an airplane," Chris Anderson says. Anderson is editor-in-chief of Wired magazine. He started a popular drone website and founded a company that sells drone parts. He says business is growing 50 percent a year. "Right now, the vast majority of people are doing it for fun, education, learning, you know, just the sheer thrill of having a flying robot," he says.