Source: Gamesutra
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In a GDC-timed announcement, Microsoft has officially announced that more than 6 million gamers worldwide are using Xbox Live for the Xbox 360, a milestone reached 4 months ahead of the company's June 2007 goal, also revealing a multitude of new Xbox 360-related statistics.
According to the company, more than 10 million Xbox 360s have hit store shelves since launch in November 2005, with the console now available in 37 countries. The overall software attach rate for Xbox 360 is 4.6 titles per console in the United States, with an accessory attach rate of 2.9 units per console.