For some reason Crystal Pepsi came up during a conversation at work today. Remember this stuff? It was part of that mid-90's fad where everything had to be 'clear' in color.
Pepsi jumped on the bandwagon with a caffiene-free clear cola that was branded as a healthier choice to other colas. It debuted nationally in the following commercial during the Super Bowl in 1993.
In addition, there's a Facebook group of about 2,500 people demanding its return.