Researcher danah boyd is obsessed with how teenagers use the Internet. For the legions of adults who are worried about them, that's a good thing.
With a Ph.D from the University of California, Berkeley, and a masters from MIT, and as a senior researcher with Microsoft, boyd is something of a star in the world of social media. For her new book It's Complicated, she spent about eight years studying teenagers and how they interact online. She says she wrote the book in part to help parents, educators and journalists relax. "The kids are all right," she says.