Which retail giant launched 'Emma,' the world's first geographically-aware virtual shopping assistant that could guide customers through store layouts based on their location?

In the evolving landscape of retail technology, geographic context has become crucial for enhancing customer experiences. Location-based services, regional inventory management, and localized marketing have transformed how retailers connect with customers. This trivia question explores a landmark innovation that merged geography and retail technology to create personalized shopping experiences tailored to customers' physical locations.

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Walmart with their 'Store Assistant' app in 2018
Target with their 'CartWheel' platform in 2017
Nordstrom with their 'Emma' chatbot in 2016
Home Depot with their 'Store Navigator' system in 2019