The Fun Extras - Set Four
76. Shortcut Fit to Screen (link to comment)
Is there such a thing as "unzooming?" Do you ever use the hand tool? Do you ever have trouble finding the bounding box when it extends into the grey area on the desktop? There are many quick tips in this one video.
Double click on the Hand Tool or Ctrl+0 to fit the screen,
Move tool and Ctrl+0 to zoom out to include grey areas.