PlayStation Vita tanks in Japan

Gameplanet According to researcher Media Create, The PlayStation Vita went from 324859 sales in its first week to only 72479 in its second, ceding the top-selling position to the Nintendo 3DS (482200) and second place to the older PlayStation Portable (101121). ... http://www.gameplanet.co.nz/playstation/games/180198.Playstation-Vita-Wi-Fi-/news/138399.20120109.PlayStation-Vita-tanks-in-Japan/