Check out this post by Russell Coker about a "hybrid" computer / laptop:
The Lenovo U1 Hybrid - an example of how Proprietary OSs Suck
At first I thought that hybrid referred to some sort of power system, but it refers to the operating systems which the device runs.
At first glance it seems pretty strange. I agree with Russell in that it is my personal opinion that proprietary OSs suck compared to open source operating systems like Debian GNU/Linux and FreeBSD.