Currently, the below promotional video is doing the viral rounds. It was created as a promotional tool for the Penguin owned, Dorling Kindersley Books imprint. The video is entitled, The Future of Publishing. I think it works pretty well for the subject matter, but the idea is five years old.
Here is the DK Publishing incarnation:
And now, the original idea used where it first began as part of an Argentinian presidential election campaign of 2005/06 for candidate Lopez Murphy.
I think we are going to see the same idea crop up in more and more ad campaigns in the next year or so, trouble is, it is an idea which will quickly lose its impact value through familiarity.