used in the past by other viral scams including “Justin Bieber trying to flirt”, “Student attacked his teacher and nearly killed him”, “the biggest and scariest snake” and the “world’s worst McDonald’s customer”.

Falling for any of these scams (which promise some lurid or eye-popping or exclusive content) typically trick you into giving a rogue Facebook application permission to access your profile, posting spam messages from your account and asking you to complete an online survey.

The latest scam which tempts you with the offer of a “dislike” button (as opposed to the normal “like” button) so you can express your opinions on other users’ posts, links and uploads.

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