You will need to be live but I think you can be a silver member to do this.
By asking them
its not out yet stupid
No.
it is worth the money. I suggest you get xbox live. Then you can play people online. You can get more features by getting xbox live like facebook and netflix.
Yes you can there's an XBOX live application which allows u to put your whole gamertag data like gamerscore , achievements and even avatar on the Facebook
no she does not have the time but she has a facebook and she quit twitter. She also has a myspace
If you have live, yes! Everything Internet related is on live
Currently you are not able to browse the web on an xbox.
I believe it can also play DVD's, and the newer Xbox 360 can also access Facebook and Twitter if you have an internet connection (might need Live membership though)
Marketplace.
That and twitter is on there now