Which NLP product innovation first successfully implemented 'attention mechanisms' that revolutionized machine translation and became the foundation for modern language models?

Natural Language Processing (NLP) has transformed how we interact with technology. From virtual assistants to translation tools, the market for language-based products continues to grow exponentially. This poll tests your knowledge about a significant product development milestone in computational linguistics that changed how we approach language technology design.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Google's Neural Machine Translation System (2016)
Apple's Siri (2011)
IBM's Watson Question Answering System (2011)
Microsoft's Bing Translator (2009)