The great Burger Wars of the early 1980s featured Burger King advertising its flame-broiled burger as superior in taste over McDonald's burgers cooked on flat griddles. Then came Wendy's advertisements in 1984 with legendary actor Clara Peller asking, "Where's the beef," and the fast-food chain claiming its single burger had more beef than Burger King's Whopper or McDonald's Big Mac. With so many burger chains competing against McDonald's and its over 44,000 worldwide locations, according to the company ...