English edit

 
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Etymology edit

Derived from marketing promotion by Pepsi, introduced in 1975, in which consumers taste one unlabelled cup of Pepsi and one of Coca-Cola and select which drink they prefer.

Noun edit

Pepsi Challenge (plural Pepsi Challenges)

  1. A comparison between two unlabelled products.
    • 2010 November 27, Billboard, volume 122, number 39, Nielsen Business Media, Inc., →ISSN, page 22:
      Consumers need a reason to go into a store and take the “Pepsi Challenge” between the cheaper headphones and the higher-quality ones.