Which NLP (Natural Language Processing) innovation first allowed major retailers to provide real-time language translation in their customer service platforms?

The intersection of language technology and retail has transformed how businesses engage with customers. From multilingual chatbots to voice-activated shopping assistants, linguistic innovations are reshaping customer engagement strategies. This poll tests your knowledge about a groundbreaking language technology implementation that changed how customers interact with retailers globally. Do you know which linguistic innovation made the biggest impact in retail customer engagement?

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Google's Neural Machine Translation (GNMT) system, adopted by retailers in 2016
IBM Watson's Translation Service, implemented in retail in 2014
Microsoft's Conversation Translation API, launched for retail in 2018
Amazon's Translate Service, first used in customer engagement in 2019