NEW YORK (AdAge.com) -- For all its incredible promise, video-on-demand has not caught fire as an advertising medium. One reason is the lack of a universal metrics system across all cable companies. Another is the techical barriers that require ridiculously long lead times for ad insertions. Nine months after it launched Project Canoe to address these problems, a consortium of cable giants provided a status report at the Cable Show. In other news in this 3 Minute Ad Age, the video-game industry is proving itself to be recession proof as product sales break new records.