Crutch words or fillers like umm..., you know... and like... make their way into a speech unknowingly. These words do not add meaning to the sentence, and often just make a person look like a blabbering fool.
Coca Cola is a carbonated beverage made by the Coca Cola company based in the Atlanta. The brand name originates from its two key ingredients: cocaine and caffeine, which are extracted respectively from the coca leaf and the kola nut, hence its name Coca-Cola.
New Coke was the unofficial popular name for the reformulation of Coca-Cola introduced in the spring of 1985 by The Coca-Cola Company to replace the original formula of its flagship soft drink, Coca-Cola (also called Coke).