mr. flintstone. i can make your bed rock!porter: she was only 12 years old when she shockingly admitted she had seen porn and understood all the innuendo. >> we're getting messages from everywhere that say if you dress this way you are going to be either treated well, or you're going to feel powerful. sex is power. >> reporter: winifred is featured in a documentary called "sexy baby". >> we're the first generation to have what we have, so there is no one before us that can kind of guide us. i mean, we are the pioneers. >> reporter: it shows girls often acting out like typical teens, at times, pushing sexual boundaries. but it also exposes some of life's tougher lessons, like the time winifred's friend, danielle had an incident. >> they were just terribly baiting each other. it was very -- um, i mean, i came home, i was bawling my eyes out, i'll never forget it. >> that is what porn sex is. >> reporter: the documentary also follows nicole, a former porn star who provides an unlikely voice of reason, pointing out that porn does