PEMBROKE PINES, FL - JULY 18: A Diet Coke is poured on a Big Gulp cup at a 7-Eleven store on July 18, 2002 in Pembroke Pines, Florida. The Big Gulp Car Cup is 32-ounces of cool fountain refreshment that fits in the cup holder of most vehicles. 7-Eleven, Inc., the premiere name and largest chain in the convenience retailing industry, is observing its 75th anniversary in 2002. (Photo by Joe Raedle/Getty Images)
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Getty Images News Joe Raedle