 mine is probably cmd+f3 to show/hide the desktop;
 mine is probably cmd+f3 to show/hide the desktop; Hot corners to show desktop and to display all open windows;
  Hot corners to show desktop and to display all open windows; Enable tap with 3 fingers (or force click with 1 finger for newer Macs) for look up and data detectors;
 Enable tap with 3 fingers (or force click with 1 finger for newer Macs) for look up and data detectors; Hit cmd+w for something funny.
 Hit cmd+w for something funny.What's your idea
