http://www.theguardian.com/business/shortcuts/2016/jan/17/fizzled-out-a-history-of-coca-cola-flops?CMP=share_btn_fb
See also: Diet-Coke With Lemon, Diet Coke Vanilla, Coca-Cola With Lime, Diet Coke Plus (vitamins), Diet Raspberry Coke, Coca-Cola Black Cherry Vanilla (seriously), Diet Coke Lime, Coca-Cola With Orange, and Coca-Cola C2 (low carb), all of which had their fun, then passed into marketing history