Wired has a write up on the subject.
On Monday, online game provider Shockwave.com will begin offering advertisers a way to insert ads within the games themselves. While it’s believed to be the first such invasion in web-based games, it’s only one of a growing number of venues advertisers are using to reach its shifting and fleeting audiences.
It’ll be interesting to see how this affects their customers. Will they keep coming back? Will their numbers continue to grow? Will there be a backlash?