Many Facebook users already know that employers, teachers and admissions officers at universities use Facebook to check up on potential employees or students, but the recent dramatic increase in the number of parents using Facebook seems to disturb many younger users more than the presence of any other demographic. "It's really weird that nonstudents and parents use Facebook ... It makes me feel really uncomfortable that my older aunt has Facebook, because she says that she likes to check up on her teenage nieces and nephews and takes our pictures for her own use. That's creepy." Facebook was previously available only to college students -- users were required to provide a college e-mail address in order to sign up -- but in September 2007, it opened its doors to all, though it recommends users be at least 13 years old. Full Article at ABC News