Ad of the Day: Apple iPhone

Samuel L. Jackson and Zooey Deschanel chat up Siri in the latest from TBWA

Apple doesn't often use celebrities in its advertising. (Hodgman and Long don't really count—they were both largely unknown at the outset of "Get a Mac," and they played characters, not themselves.) But now, to freshen things up after 84 mostly product-demo spots, the marketer has injected a little star power into its iPhone campaign.