Brain Age, but then we saw her excellently looped "L"), as well as video interviews with the three stars about their DS-playing habits. Basically, the pick-up-and-play nature of the handheld fits well with busy people. Oh, and girls can play games too.
The real irony of this ad campaign is that if you played for you, you'd have a DS by now. This is for people who would ostensibly play to be like these famous people. Of course, to truly be like these three, you'd have to take money from Nintendo in order to play DS, instead of giving Nintendo money.