Patrick Dennis is the President and Creative Director of Alliant Studios, a brand strategy and communication design firm in Northern Virginia. He has been a Mac user since 1986, and has enough old Macs in his home to drive his wife to suggest he either "toss them or open a museum." (Feb 2006)
Constant Dictionary Definitions
If you hold down Command-Control-D in a Cocoa-based application that supports AppleSpell, you'll see little dictionary pop-ups for each word that you mouse over. Neat, eh?