Earlier today I participated in Playcafe's online game show with Ken Jennings. I had been meaning to try it, and being a little bit of a Jeopardy fan, it finally caught my attention enough to log on for the live show. The show still needs some work - they had a few technical issues, the site could be more streamlined and the game itself could improve. But they have obviously done some good work getting their technology this far, the idea/concept is great and it was fun for ~30 minutes (it would be interesting to see data on number of users and their drop-off rates).
Playcafe sits between social online games (which are hot right now on Facebook and elsewhere) and TV game shows/programming. They will do well if they can hit the right mix of scheduled/hosted real-time interaction and anytime social gaming.
They have a static Facebook page today, but it seems like they could really benefit from more aggresively leveraging a social network:
1) People adding their application (whatever form it takes) and the news feed would help them get new users/viewers. I think today's show only had ~350 viewers - at least that's the number I saw on the player (but I may well be wrong about this) - which is fairly low.
2) Leveraging the underlying social network to invite people, see who is online during the live show and form teams and/or compete with people you know would significantly improve the experience.
In any case, it's a great idea and they seem to be moving in the right direction. It will be interesting to see how the show evolves (and, without a doubt, the soon to emerge flood of competitors).