ballmer xbox 300x241 Microsoft sold 8 million Kinects in 60 daysToday at CES Microsoft announced that it sold some 8 million Kinect sensors in the first 60 days that the gadget was on the market.

Microsoft called 2010 the biggest year ever in Xbox history. As we noted before, the Kinect has been an effective rejuvenator of the Xbox 360 brand. More than 50 million Xbox consoles have been sold around the world.

Microsoft had estimated that it would sell 5 million Kinects last year. It exploded that tally, showing strong global demand for its natural user interface efforts.

In other news, there are now 30 million members of Xbox live. A new member joins every two seconds. If you are counting, 60 days from the launch of Kinect was the 2nd of January.

Keep your eyes peeled, we have more Microsoft news coming.