Which company first launched commercially successful neural machine translation for retail customers, making real-time language translation accessible to everyday shoppers?

Test your knowledge about a groundbreaking retail innovation that revolutionized language learning and accessibility. This product combined cutting-edge technology with linguistics expertise to create a new market category. While now commonplace, when first launched it transformed how people interact with foreign languages in retail environments and beyond.

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Google with its Neural Machine Translation system (2016)
Microsoft with Translator Neural Network (2017)
Amazon with its Alexa Translation Service (2018)
DeepL with its Linguee-based translator (2017)