Are video games addictive? The jury's still out. Experts disagree on whether compulsive game-playing is a real addiction. So how does a normal gamer transform into a bleary-eyed zombie? And do game companies try to hook players?

Experts say that what makes games such as EverQuest, World of WarCraft, and Call of Duty addictive is the social networking; it's "...really kind of the glue that pushes people to sit in the game for long periods of time...".

Via: What makes video games 'addictive'?