There are around 950,000 developers in 180 countries who provide applications for the site.

social network

Facebook's Michael Richter said if a user chose to deactivate their account, the site would still store their information "even if it is for 10 years".

The mostly male youngsters at this centre all have the same problem - they are addicted to the internet.

elling, this is where they hope to be cured.

And through a tough programme of physical exercise, medication and couns elling, this is where they hope to be cured. There has been a lot of interest in these boot camps over recent weeks after two teenagers were beaten up at two separate camps in China. One died, the other was seriously injured.

The controller uses a microphone combined with visual and infrared cameras to control the onscreen action.

Two demos were on show at gamescom for people to try out, including a playable version of Burnout Paradise in which users control cars using an imaginary steering wheel, moving their feet forwards or backwards to control the speed.

Microsoft has allowed the public to get their hands on its new hands-free games controller for the first time.The US firm showed off the "Natal" technology, designed for use with its Xbox 360 console, at the European games convention gamescom in Germany.