PHILADELPHIA – FEBRUARY 13: From left, Cheryl Obal, 26, Maren Reese, 22, Tanasha Sylvester, 23, and Melissa Soutar, 25, prepare to hand out Splenda-sweetened conversation hearts to pedestrians, February 13, 2003, in Philadelphia, Pennsylvania. With the help of The New England Confectionary Company (NECCO), SPLENDA, the no-calorie sweetener, is offering a new twist on February’s favorite candy to prove that you can enjoy the great taste of sugar with fewer calories. (Photo by William Thomas Cain/SPLENDA via Getty Images)