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Latest Family
What it is: When the Erase Data Option is on and your passcode that turns on the iPad is keyed in incorrectly 10 times, the device wipes out all of your personal data. It's a great feature if your iPad is stolen, but when your kids don't know your PIN and are trying to get into your locked iPad, they're unlikely to stop trying at 10 guesses.
How to do it: Settings > General > Passcode Lock > Erase Data