This has been around for a while and I'm pretty sure it popped up on that old, derelict 'other' place a while back...nonetheless, it's still cool and proves that some developers really do have too much time on their hands, lol.
Really though, you could do this with any cart, so long as you know how to design and code flash effects. But what happens when they view with IE8...not much, I suspect, except for a bunch of 'IMMA KILL YOU' warnings if you continue to view the content. Fail.