Basically, if you drag an unmaximised window to the left or right of the screen, it fills half the screen on that side. If you go to the top, it maximises.
This would be really helpful to those with widescreen monitors and I wouldn't think it would be too hard to implement in Compiz.
I have a HP tx2z multi touch tablet pc and was able to get ubuntu running great on it, but it doesnt have any type of features/support for the new multi touch screens.
10GUI introduces a revolutionary new and extraordinarily simple idea for window management and human interfacing.
It has two parts, the Window Manager and the Multitouch Keyboard. The Window Manager part of it is achievable more easily than the Multitouch interface.