Which retail giant first implemented dynamic language-switching point-of-sale systems that automatically detected customer language preferences based on initial verbal interaction?

Language plays a crucial role in retail marketing and customer engagement. From multilingual point-of-sale systems to language-optimized store layouts, retailers have increasingly recognized the power of linguistics in driving sales. This poll tests your knowledge about how major retail innovations have incorporated linguistic insights to transform the shopping experience across diverse language markets.

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Alibaba (with their 'Lingvo-Response' system in 2017)
Amazon (with their 'Echo POS' system in 2016)
Walmart (with their 'VoiceMatch' terminals in 2018)
Carrefour (with their 'Polyglot Point' system in 2015)