[unable to retrieve full-text content] http://www.adweek.com/brand-marketing/pac-man-is-an-early-example-of-how-ai-added-realism-to-a-video-game/
[unable to retrieve full-text content] http://www.adweek.com/brand-marketing/pac-man-is-an-early-example-of-how-ai-added-realism-to-a-video-game/