Facebook fans beware - the days when you could snoop through your friends, former partners' and work colleagues' pages anonymously are due to end.
The social networking site has announced that it will soon let users see who has been snooping through their pages. The move is expected to dramatically cut the browsing habits of hundreds of millions of users.
The change to the website - which has more than 900 million members - applies to group pages; meaning users can see who has visited any group which they are a member of.
But already there are suggestions that Facebook may unfurl the technology across the site, meaning the naughty-naughty-stalky-stalky generation may soon see their fingerprint-free snooping habits curtailed, or face the embarrassment of their ex's new boyfriend/girlfriend realising they were too curious to resist an online-curtain twitch.
Each day, more than 250 million photos are uploaded to Facebook, and 526 million people log in, up 41 per cent from a year ago.