Bit by BitVideo games have seemingly taken over our lives. Whereas gamers once constituted a small and largely male subculture, today 67 percent of American households play video games. The average gamer is now thirty four years old and spends eight hours each week playingand there is a 40 percent chance this person is a woman. In Bit by Bit, Andrew Ervin sets out to understand the explosive popularity of video games. He travels to government laboratories, junk