According to a survey conducted by Market Research, young people are un-tagging pictures, writing false posts and even adopting parallel identities in a bid to keep their personal information safe.
They have even resorted to posting deliberately vague statements on their accounts - known as vague-booking - to prompt real friends to respond privately for further details.
Another study, by the MRS Delphi Society, indicates that the rise of apps like Snapchat, which erases pictures after a short amount of time, show teenagers are increasingly concerned about what strangers see.
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