Xbox360.jpgMicrosoft spokesman David Dennis told CNET that in the first week Xbox Live users had access to Facebook and Last.fm, more than 2 million Xbox Live users logged into Facebook, and 500,000 Last.fm accounts were created in the first 24 hours of availability, meaning that 10% of Xbox Live’s 20 million total users had logged into the social-networking site.

Dennis added that 120 million minutes of music from Last.fm had been streamed by Xbox Live users, who had also watched 1.7 million videos on the Zune marketplace.