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This is how your iPhone is tracked even when it's off Researchers at the Technical University of Damstadt in Germany have discovered that the iPhone can be tracked even when it is turned off. Khaj has concluded that the wireless chips in the iPhone work even when it is turned off.

 How to turn off friend suggestions on Facebook Users of the world's most popular social network, Facebook, can turn off People You May Know and Friend Suggestions. There are many such people on Facebook who want to limit their circle of friends. In this case, they try not to have too many friends.