Why did New Coke fail? Coca-Cola’s taste tests supported a new formula, but they did not establish that customers would accept losing the original. The company changed its flagship drink on April 23, 1985, then brought the original formula back as Coca-Cola classic on July 11, 79 days later. According to Coca-Cola’s own history, nearly … Continue reading Why Did New Coke Fail? Lessons for Leaders and Learning