I obviously like robots. Which robot, out of the various robots I've seen that are "real," impresses me most?
Probably this one.
In and of itself, that isn't that impressive. But it's led to this...
All these amateur-built items lead to a functional transforming mass-market robot (obviously, pretty much a toy, but still).
Who's to say that in a few decades, this might not be possible?
Or even one of those Citroen ad robots...
Okay, maybe not.
On that note, there are a lot of parodies of the first of those ads out there, and here's the best one (which, in my opinion, is better than the original).