Unity is a multiplatform game development tool, designed from the start to ease creation. A fully integrated professional application, Unity just happens to contain the most powerful engine this side of a million dollars.
From the official Unity3d channel: Youtube.com
NICE 0_o
I've seen companies like EA etc. with this mecanim/biped sharing feature. This will save loads of time and space for Unity users everywhere! I was hoping Unity would have the opportunity utilize this someday. :P