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Millions of Facebook users say they avoid uploading photos and remove their name from all pictures of them on the site because they feel too fat, old or ugly. A survey found that almost one in two people admitted to leaving out pictures from their "fat days" when uploading pictures to their online profile.

In addition, one in 10 women admitted to feeling sick when they saw a picture of themselves on Facebook and 13 per cent avoided being photographed altogether in case the images ended up on the site.

One in 10 admitted to using a photo of someone else on their social networking profile, like their dog, an avatar or cartoon drawing, to avoid old friends and work mates seeing a real picture of them.

For years YouTube comments have held the honorary title of 'Most retarded shit' on the internet. Commentators on the site, whose usernames are usually followed by a series of random numbers, have been renowned for their cruelty, stupidity and crassness.

"YouTube comments are the special Olympics of the internet", said Lance iPad III, web guru with TechnoCrunch. "It's like they assembled all the kids who sit at the back of the bus licking windows, gave them a keyboard and said 'Go!'."

The new site ChatRoulette connects users via their webcams where they can enjoy a video or text chat. However, users have quickly ensured that Chatroulette is a place not so much NSFW as Not Safe For Life...