Which linguistic technology was FIRST implemented in Amazon's Alexa to significantly improve its retail voice commerce capabilities?

Voice commerce is revolutionizing the retail industry, with linguistic technologies powering the shopping experience of tomorrow. Natural Language Processing (NLP) and voice recognition systems are creating seamless customer interactions across retail platforms. How well do you understand the linguistic technology behind retail voice commerce solutions? Test your knowledge about the intersection of language technology and retail innovation!

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Neural Text-to-Speech (NTTS) technology
Automatic Speech Recognition with dialect adaptation (ASR-DA)
Conversational Context Management (CCM)
Multilingual Intent Recognition Framework (MIRF)