For those not in the preview program, the next XBOX Live update coming out on November 17th will include all the new features that were revealed at E3 2009. You will have Facebook, Twitter, Last.FM and Zune marketplace available for you on your XBOX.
From Major Nelson: Xbox Live Update Coming Nov. 17th
Halo 5: Guardians
Halo 2 for PC
Get ready for our upcoming Halo 2 night on PC. Grab Halo 2 for PC today!
Or check out the Halo Store on Amazon.com.