Is there a difference between Pepsi and Coca-Cola?
Are their histories, flavors, branding ventures and impact more alike or different than we think?
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It seems to have enormous potential as a currency, but will it be able to sustain itself?
It has made shopping more efficient and innovative, but at what cost to the retail industry?
A double-edged sword, it destroys as it creates, it constructs monopolies as it invites competition.