The other thread was closed, but here's the demo for those who haven't heard it yet.
EXCLUSIVE: Darkchild confirmed via Live Stream that Britney is in fact on this demo, and that this was created in the early stages of Telephone's production. He also said he will not leak the final mastered version, which is X1000000 better than this and has less autotune on it.
UPDATE: Britney Spears - "Telephone" demo with new EPIC intro and added instrumentals to make it sound more finished. In other words, this is probably the closest version we would get that would actually resemble what would have been the finished product: http://www.4shared.com/audio/eRdxLLA...one_intro.html
Ahm... I am kinda disappointed with the final version, those producers are dumb, Britney doesn't need that much of auto tune, my favorite parts are the ones where u can actually listen to her.