Simon Cox returns for another series exploring the ways the digital world is changing how we live our lives.
Whether it's the device in your pocket, on your desk or built into nearly every part of the world around us technology is part our daily lives
This week Simon finds out what happens as soon as your child hits the panic button on a social networking site. And with the growing dispute between Facebook and the Child Exploitation and Online Protection Centre he asks why Facebook still refuse to provide a link to CEOP.
Also social Networks for the aspiring author - Harper Collins are no longer intending to accept unsolicited manuscripts. Instead they've launched a social network where budding authors will review and rate each others work. So will this result in better books getting published, or will it be only the best self publicists who will see their work in print?
We also hear from regular technology expert Rupert Goodwins on why there's such flurry of litigation between mobile phone manufacturers. And also on the subject of mobiles how can teenagers avoid the scams inticing them to run up huge bills.