1 in 8 still play Halo 3 after a year? I'd bet that at least 1 in 4 eventual Mario Kart Wii owners won't even buy it until it's been on the shelves for a year.
"[Our former customers] are unable to find software which they WANT to play."
"The way to solve this problem lies in how to communicate what kind of games [they CAN play]."
Satoru Iwata, Nintendo President. Only slightly paraphrased.