The Secret Word contest is over. The first person to find the secret word was David Lee Matuszek. The randomly selected winner was Kjell Hult. Congratulations! You both win a free copy of Sad Macs. Only five people found the word (although several dozen more came very close).
The secret word was MacGuffin (with apologies to Alfred Hitchcock). If you want to know how to find it, click here.