When Nintendo designer Shigeru Miyamoto introduced Wii Fit at last yearâs Electronic Entertainment Expo, you could almost hear the collective clatter of a million gamers furiously pounding out epitaphs to their favorite hobby. Here was the inventor of Mario and Zelda completely ignoring his brilliant work in progress, Super Mario Galaxy, in order to talk about what appeared to be a glorified bathroom scale. Wii Fit, hardcore gamers proclaimed, would be the death of videogames. In Miyamotoâs