KindMind writes: To probably no one's surprise, wiping a smart phone by standard methods doesn't get all the data erased. Wired writes '... Problem is, even if you do everything right, there can still be lots of personal data left behind. Simply restoring a phone to its factory settings won’t completely clear it of data. Even if you use the built-in tools to wipe it, when you go to sell your phone on Craigslist you may be selling all sorts of things along with it that are far more valuable — your name, birth date, Social Security number and home address, for example.'