Find a flight, search for dinner, and beautify your photos. Yes, there's an app for that, and it's been created by one of Inc.'s 30 Under 30 honorees.
The meaning of cool is always in flux. But this year, 2011, these 30 young companies embody cool. They're fighting censorship, helping you date smarter, and chartering jets. Plus: what it takes to make it onto the list. Read more