Quite funny indeed. I do think they certainly needed a change in the 50s as the two were quite similar prior to that. However, no matter how many times they change it, the 70s/80s version will always be the look I associate Pepsi with.
Although I'm a Pepsi hater and I don't like to say anything against Coke, Brand New posted a more accurate version: http://www.underconsideration.com/brandnew/archives/coca-cola_vs_pepsi_revised_edition.php
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