Wii attach rate over 8 for December in US
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According to this, NPD data has shown that the attach rate for American Wiis in December was 8.1 games per console.
Microsoft yesterday claimed a record attach rate for Xbox 360, saying it had a lifetime score of seven titles per machines. During December, however, it lucked out to Wii, with a rate of 7.8. PS3 score five games per console, said the data.