All Xbox owners located in the United States, Canada, Australia, New Zealand, Japan, Argentina, Brazil, Chile, Colombia, Hong Kong, India, Japan, Republic of Korea, Mexico, Singapore and Taiwan. will have Xbox LIVE Gold unlocked from November 29th to December 2nd, so if you’re a Free Member of Xbox LIVE you can check out the what Xbox LIVE Gold Members do with their time, including using entertainment apps (* some which may require a separate subscription) and online multiplayer. Be sure to mark it down in your calender for the weekend extravaganza of Xbox LIVE Gold Membership. via Major Nelson
[UPDATE] For those in question about the United Kingdom not receiving this free weekend; That is due to the UK having already done a FREE LIVE weekend a couple of months back.