Nintendo has announced that over the four years since the Wii launched, it has sold 30 million units in the U.S., making it the fastest selling console ever, ahead of Sony's PlayStation 2 by 15 months. Worldwide, Nintendo has sold 71 million units. Cammie Dunaway, Nintendo America's executive VP of sales and marketing this week spoke of the Wii's effect on the video game industry as a whole.
