Summary: NEW YORK (AdAge.com) -- As viral sensations go, it doesn't get much better than "What's G." The cryptic commercial was crammed with celebrities, yet never mentioned that Gatorade was the product. And that sparked a national frenzy of blog chatter and punditry. Earlier this week, Jimmy Smith, the creative director of the TBWA/Chiat/Day group that created the campaign, faced reporters to explain just what "G" was.
