Coca-Cola debuted “drinkable advertising” during the N.C.A.A. Men's Final Four in Indianapolis April 4 to 6 as part of Coke Zero’s “You Don’t Know Zero 'Til You’ve Tried It” campaign. At the March Madness Music Festival in White River State Park, the company erected a “drinkable billboard.” On the front of the 26- by 36-foot billboard, 4,500 feet of tubing spelled out “Taste It.” An elaborate pumping system carried Coke Zero through the tubing and down to a sampling station on the ground.