Yet every day, millions of people connect in these 3-D worlds to socialise, shop and learn.Unfortunately, lawbreakers have also joined these virtual worlds and the full range of criminal activities is now also present.The game - or world - has its own currency, called the Linden Dollar (L$).Because the world within Second Life is a real society just like ours, nothing is for free.Ken Castle is extremely rich, popular and powerful since he invented and started exploiting the virtual online parallel reality games, in which people can either pay as user or be paid as 'actor' in a system of mind-control.The ultimate version, Slayers, fields death row convicts as gladiators in a desperate dim bid for survival, which no-one made yet.
For these reasons, new virtual worlds and communities pose a unique set of challenges for the criminal justice system.
While in Girls Aloud, Nicola wasn't afraid to speak up about her issues and insecurities, and was involved in anti-tanning and anti-bullying activism.
In 2003, Linden Lab, a San Fran-based gaming and VR company, launched Second Life.
with your avatar you can walk, run, drive, teleport, meet other players, buy land, build property, create, design, sculpt, have sex, even marry.
That's the most basic summary of how Second Life works - but it can also get a whole lot more complicated.