Which linguistic packaging innovation was pioneered by Procter & Gamble in the 1990s that transformed how consumer products communicate benefits across multiple languages?

Product packaging doesn't just protect what's inside—it communicates with consumers through carefully chosen language. Over decades, linguistic trends on packaging have evolved significantly, reflecting changes in marketing psychology, consumer expectations, and cultural values. This trivia question explores a fascinating linguistic innovation that revolutionized how language is used on modern product packaging across global markets.

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Benefit-driven iconography (using universal symbols that transcend language barriers to communicate product benefits)
Dual-language parallelism (presenting identical information in two languages with perfect visual symmetry)
Benefit clusters (grouping product advantages into distinct semantic categories with specialized terminology)
Sensory language mapping (using specific adjectives scientifically proven to trigger desired sensory associations)