S4·E115 Pepsi Blue Never Actually Went Away

There have been some major soda brands that have delighted MILLIONS over the decades! Coke, Mountain Dew, 7Up!... Many have tried variations of tried and true beloved concoctions, but, let's be honest - NOBODY saw Pepsi Blue coming. What IS Pepsi Blue, and how did it come about? What does it taste like? maybe you have had one?