Hillary Rettig: Perfectionists Love MacGuffins, Huffington Post, October 29, 2012
Commonly, though not always, the MacGuffin is the central focus of the film in the first act, and then declines in importance as the struggles and motivations of characters play out.
The Mother of All Horror Films, Newsweek, January 6, 2010
But the microfilm that the bad guys are smuggling out of the country ? that's just what Hitchcock called the MacGuffin, the pretense for the movie, the silly excuse upon which he pinned his real story: a man is mistaken for another man and nearly murdered because of this mistake.
Matt's TV Week in Review, TV Guide
There's a new MacGuffin, now that we're done with the music box and have put the death of Kate behind us at last: a cache of purloined Nazi loot, art treasures buried for decades in a sunken sub.