Which retail language technology innovation was first introduced by Amazon in their physical stores to eliminate language barriers at checkout?

The retail landscape is constantly evolving with technological advancements, particularly in how language and communication shape the customer experience. From multilingual self-checkout systems to voice-activated shopping assistants, language technology has become a critical component in modern retail. This poll tests your knowledge about how linguistic technologies are transforming the retail environment and creating new opportunities for customer engagement across language barriers.

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Amazon Linguist - a wearable translation device for store associates
Just Walk Out with Babel - multilingual automatic checkout that processes voice commands in 24 languages
Amazon One Palm Recognition with Language Identification - palm scanning that detects customer's preferred language
Echo Shop Assistant - an Alexa-powered shopping cart that translates product information in real-time