http://en.wikipedia.org/wiki/ESATAp
Yeah, it really did not exist before at all, this is really high tech, unimaginably brilliant.
Don't get me wrong, I like Apple, they have a formidable design team and vision, but they aren't the messiah of computing either.
Also, big problem with combining ports is that you can only use one of them at a time, or you'd have to go buy an adapter to use them at the same time. Now there's something Apple surely won't do right ? Creating more adapters at 29 bucks for people to buy