A portion of a Forbes article:

Offering a selection of activities--from running to push-ups to yoga--Wii Fit is now in almost 1.5 million homes across the country. But is anyone actually using it?

Not really, says Brian Crecente, managing editor of the popular gaming blog Kotaku. Despite optimistic predictions that Nintendo had unleashed a new era of videogames, Crecente calls Wii Fit little more than an exercise fad that's bound to come and go like any other.