Which mythological concept has NOT been successfully used as a customer loyalty program framework by major retailers?

The intersection of mythology and retail presents unique opportunities for product development and customer engagement. Ancient stories and folkloric figures have inspired countless product lines, marketing campaigns, and brand identities. This poll tests your knowledge about how companies have leveraged mythological elements to create successful retail experiences and customer loyalty. Can you identify the correct retail strategy based on mythological inspiration?

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The Hero's Journey (customers progress through different 'quest' stages to earn rewards)
The Labyrinth Loyalty Model (customers navigate increasingly complex purchase paths for greater rewards)
The Phoenix Program (rewards that 'rise again' after expiration if customers make qualifying purchases)
The Oracle Rewards (predictive analytics that suggest products based on past purchase 'prophecies')