Gates, Dell, Fanning. They were the kid entrepreneurs of previous decades. Who are the teens of today trying to hatch the big media and tech ideas of tomorrow? We talked with venture capitalists, tech executives, college professors and entrepreneurs to find out.

In our list “Fresh Faces in Tech: 10 Entrepreneurs to Watch,” we highlight 10 kids—one only 15 years old and none yet of legal drinking age—who have created companies that in some cases are already bringing in millions of dollars in revenues. They range from a pair of twins who have started over a dozen web businesses that sell everything from shoes to parking spaces, to an MIT freshman who has designed an electric unicyle to reduce air pollution in developing countries. For the full list and complete write-ups on these young innovators and their companies, click here.