Which company created a proprietary constructed language called 'Wakandian' with a complete grammar and 2,500-word vocabulary specifically for its product universe?

Brand loyalty is heavily influenced by language and communication. Companies invest in linguistic research to create memorable taglines, brand names, and marketing copy that resonate across cultures and languages. This trivia question explores how linguistic principles have been applied in a groundbreaking way by a major brand to foster customer loyalty through language innovation.

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Marvel Studios (for Black Panther)
Amazon (for its Alexa AI assistant)
Coca-Cola (for global marketing campaigns)
LEGO (for its Bionicle product line)