There's a revolution going on in the video game industry.
The success of Nintendo's Wii is probably the most visible sign, but the industry upheaval extends beyond that. At its core, the revolution reflects a move away from costly, graphics-heavy games toward ones that are smaller and cheaper, and that put an emphasis on fun and new ways to play.
As with most revolutions, the one in the game industry offers some new possibilities, but it's also fraught with dangers.
San Francisco will be ground zero for the debate this week as industry workers and executives gather at the Game Developers Conference, starting today.
Meanwhile, signs of the revolution abound.