Which voice commerce platform first introduced 'code-switching' capability, allowing users to seamlessly mix multiple languages in a single query while maintaining context?

Voice commerce is revolutionizing retail, but the linguistic challenges are substantial. Natural Language Processing (NLP) systems must navigate accents, dialects, homophones, and semantic nuances across languages. This poll tests your knowledge of how major tech companies are addressing these linguistic hurdles in their voice commerce platforms. How well do you understand the intersection of linguistics and retail voice technology?

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Google Assistant's Multilingual Mode (2019)
Amazon Alexa's Polyglot Update (2021)
Apple Siri's Linguistic Bridging (2020)
Microsoft Cortana's Language Fusion (2022)