The Internet can be a worrying place for children, especially when you hear stories about online bullying.
Cyber Mentors is a UK charity and a community where children can get support and advice from other children, as well as trained professionals - whether they are experiencing problems online or out in the physical world.
The young volunteers who make up the cyber mentor fellowship have all been trained by the charity to be children's first port of call if they feel they cannot talk about their problems with a grown-up.
They will support and encourage youngsters - urging them to go to a parent or teacher - but there are also councillors available to deal with any serious issues.
Since the site went live a few months ago they have helped 70,000 children, and have just trained up their 1,000th volunteer.
Users need to register to talk to a mentor, and they do ask for some details about your mobile phone, which the site's creators say is not used for marketing purposes - just their own internal research.
The media is often criticised for presenting a distorted view of society with fashion magazines and Sunday supplements crammed with images of impossibly beautiful people.
But they are not as perfect as they look.
DeTouch.org lays bare the tricks and cheats used in photographic publishing, showing you what those picture perfect models looked like before the touch-up artist got involved.
Drawing from a number of online sources where before and after photographs are displayed, this site uses an open source tool called Processing to compare the images pixel by pixel and generate visualizations of the alterations.
Waists are sucked in, chests pumped out. Lines and shadows smoothed and removed.
There is even one lady who has had an eye shifted up - all in the pursuit of creating the illusive perfect beauty.
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