Which linguistic product packaging innovation, introduced in 2016, revolutionized language-learning materials by incorporating interactive NFC technology with native-speaker pronunciation samples?

In the world of language and linguistics, product packaging and brand identity have evolved significantly to incorporate linguistic psychology. Companies invest heavily in language research to create names, slogans, and product descriptions that resonate across cultures while maintaining brand identity. This trivia question focuses on a groundbreaking linguistic innovation in product packaging that changed how language-learning materials are marketed globally.

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TalkTag - embedded RFID chips in textbooks that activated audio samples when scanned with a smartphone
LinguaTouch - packaging with heat-sensitive ink that revealed translations when touched
VoiceMap - QR-enabled packaging that linked to augmented reality pronunciation guides
SpeakSmart - voice-activated packaging that responded to verbal commands in multiple languages