Coffee flavored Pepsi. You shouldn't need to ask why it failed. Product development needed better market research other than the statistic of coffee drinkers. A big oversight was the behavior and...
The Soda Museum website (link below) says that the name of Pepsi-Cola comes from pepsin, which used to be a popular ingredient in soft drinks and chewing gum.
Don't listen to that up there. 1 Pepsi...