Among the hundreds of millions of people on Facebook, you will not find Sasha or Malia Obama. In an interview with the Today Show, Michelle explained that there are some things her kids can't do because of security issues—but even if they were just two normal kids living in Chicago, they wouldn't be on the site. Michelle, who is "not a big fan of young kids having Facebook," says Facebook is "not something they need." Maybe when they get older, she added. (Click to see what Michelle says the president isn't using.)