Robbie Cooper's "Immersion" series documents the faces of people engaged in various immersive activities. These children are playing videogames, and a more recent video deals with pornography. Proper voyeurama!
Cooper also wrote the book, 'Alter Ego', which showed side-by-side photographs of real-world people and their online avatars in MMORPGS. If anything, it goes to show that pretty much all ingame female characters are played by men...