Ars Technica - The incredible shrinking game.
According to The Entertainment Software Association, the average game buyer is 34 years old and has been gaming for 12 years. At that age, they have more than just video games to worry about. And unlike when they were younger, they now have more money than free time.

"They've got jobs, families, kids to take care of. They don't have time to sit and go on an eight-hour bender," said Kagel who's 34, himself. "You go to work, you come home, you have dinner with the family, you play with the kids. At the end of the day, how much time do you have to spend on gaming?"