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It cracks me up how he shows "calc" to demonstrate how the buttons light up on hover (which looks like a good idea), and then mentions that you can't maximize calc so the maximize button doesn't light up.
THEN WHY IS THE BUTTON THERE?!?!?!
Aero: flashier, more VPU-intensive, but it apparently wasn't worth their while to fix stupid UI mistakes.
Oh, and they screw OpenGL as well.