Which language technology product launch was the first to implement neural machine translation at scale, significantly improving translation quality compared to previous statistical methods?

The language learning and translation technology market has seen explosive growth in the digital era. Major tech companies and startups alike have launched revolutionary products that have transformed how we learn languages, translate content, and overcome language barriers. This trivia question focuses on a significant milestone in language technology product launches that changed the industry landscape.

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Google Translate's 2016 Neural Machine Translation system
Microsoft Translator's 2015 Deep Learning Translation Framework
DeepL Translator's 2014 Linguistic Intelligence Platform
Facebook's 2017 Universal Language Translator