There is a new juicy Xbox Dashboard update feature that has to do with the social network of whaa whaa your friends friend of course it can be blocked. Here the news straght of the press.
Microsoft Going crazy with social with Zune now Xbox!
Cool man I just did it, lets see if it helps me find some long lost buddies…
thats exactly what Microsoft tried to implement, exactly as you said hopefully i will be able to find my old friends. Check out the new update coming December 4th 2007.