On Sept. 5, 2006, Mark Zuckerberg changed the way that Facebook worked, and in the process he inspired a revolt. Zuckerberg, a doe-eyed 24-year-old C.E.O., founded Facebook in his dorm room at Harvard two years earlier, and the site quickly amassed nine million users. By 2006, students were posting heaps of personal details onto their Facebook pages, including lists of their favorite TV shows, whe