Here is the rest of the Coke Pepsi story that you don't know. Now, year after year, Pepsi and blind taste tests beat Coke by 2 to 1 margins, over and over again. This going all the way back to the 1970s. People liked the taste of Pepsi better. So, in 1985, Coke rebuilt its formula. And Coke, wanting to ensure a successful product, did massive testing, blind testing.