Which voice commerce breakthrough in 2017 first enabled users to make purchases through voice commands without needing to confirm visually or manually?

The intersection of linguistics and retail technology has created exciting new shopping experiences. Voice commerce is transforming how consumers interact with brands and make purchases. This trivia question explores a significant milestone in the evolution of retail voice commerce technology that changed how we shop using natural language processing. Test your knowledge about this fascinating development in the language technology marketplace!

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Amazon's 'Voice Purchasing' with automatic voice recognition authentication
Google's 'Voice Match' payment system for Google Express
Apple's 'Siri Shopping' for iTunes and App Store purchases
Microsoft's 'Cortana Checkout' with biometric voice verification