Getting gamers addicted is the key to monetization, according to PC Gaming Alliance's chief technology officer. But the business model hasn't proven popular outside Asia.
The San Francisco conference may well be the world's largest gathering of game developers, the place to keep an ear to the ground and to get business done.
Yahoo Games announces plans to offer more than 400 ad-supported online games in conjunction with Double Fusion and NeoEdge Networks by the end of the year.
The company is experimenting with a premium service for online games as Web and game companies look for ways to make money from popular but low-profit ad-supported games.