Which linguistic innovation did Amazon implement in 2015 that revolutionized how customers search for products online?

E-commerce platforms constantly evolve their linguistic strategies to engage customers. From product descriptions to user interfaces, language plays a crucial role in how online retailers connect with their audience. This trivia question explores how a major e-commerce platform innovated with language to solve a specific retail challenge. Test your knowledge about the intersection of linguistics and digital retail innovation!

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Natural Language Processing that understands conversational queries instead of just keywords
Automatic translation of product reviews into the user's native language
Sentiment analysis to highlight emotionally positive product descriptions
Voice-activated search using regional dialect recognition