Microsoft is teasing us about Origami.
If you don't want to wait until march 2nd, check out this post. Seems like the marketing guys were a bit to eager and didn't wait with adding the video to their portfolio. We can't be sure that this is the actual product, but it does look very cool.
Update: the movie was removed from the site, which only adds to the credibility of the story.
2nd update: mirror at http://www.youtube.com/?v=jwQJZe0KL9U