Remember how in Lion, you had to 4 finger pinch in or out to go to the desktop? Well in Mountain Lion, by default this was changed to 3 finger pinches. The only problem is that, on my mountain lion install, only a 4 finger pinch works for the functionality. The trackpad preferences are clearly set to 3 finger pinches. It's as if I was still running lion? I'm at a loss. Rebooting didn't fix the issue. Any ideas?