Windows Phone 7 Tab Pages (page cycle)

I know.. I know, it's only a few hours old.

But how the hell do you get the little page tabbing/cycle (forgot what the official name is) on the top of the page under the app title.

MIX Keynotes made it loo开发者_StackOverflow社区k like it was a control (or at least what I saw, was @ work).

Anyone who made MIX or knows how they are doing this, it'd be cool to get an answer.

Thanks!

They are called Pivots but don't see them available

Someone implemented it as a control:

It is available at codeplex