Coca-Cola formula version of Coca-Cola syrup contains kola nut extract; originally included for its caffeine content, modern Coca-Cola uses caffeine citrate produced by the decaffeination of coffee. The primary taste of Coca-Cola is thought to come from vanilla and cinnamon, with trace amounts of essential oils, and spices such as nutmeg. A 2015 study identified and measured 58 aroma compounds in common colas, confirming significant amounts of compounds corresponding to cinnamon, vanilla, nutmeg, orange and lemon essential oils in Coca Cola. During the 1980s, most U.S. Coca-Cola bottlers switched their primary sweetening ingredient from cane sugar (sucrose) to the cheaper high-fructose corn
Coca-Cola or sweepstakes entries. In Australia in 2011, Coca-Cola began the "share a Coke" campaign, where the Coca-Cola logo was replaced on the bottles and replaced with first names. Coca-Cola used the 150 most popular names in Australia to print on the bottles. The campaign was paired with a website page, Facebook page, and an online "share a virtual Coke". The same campaign was introduced to Coca-Cola, Diet Coke & Coke Zero bottles and cans in the UK in 2013. Coca-Cola has also advertised its product to be consumed as a breakfast beverage, instead of coffee or tea for the morning