Steve Caplin is the author of several bestselling books on computer graphics. He's passionate about technology, and likes nothing more than tinkering with the latest gadgets, software and power tools. He divides his spare time between playing the accordion and repairing his children's iPods. Simon Rose is a film critic, award-winning screenwriter and author. He likes country walks and playing cricket, and loves trying out new games with his children. Simon plays the cello and the spoons. He's the proud owner of a shiny new MP3 player, and looks forward to hours of happy listening once Steve shows him how to use it.