Which company's retail innovation lab pioneered the development of 'Just Walk Out' technology, allowing shoppers to take products without going through traditional checkout?

Innovation labs have transformed how companies develop and test new retail technologies. These dedicated spaces allow brands to experiment with cutting-edge concepts before full-scale implementation. Test your knowledge about these retail innovation incubators that have pioneered some of the most significant advancements in modern shopping experiences. Do you know which famous company's innovation lab was behind one of retail's most revolutionary discoveries?

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Amazon (via Amazon Go team)
Walmart (via Store No. 8 innovation hub)
Target (via Target Forward incubator)
Kroger (via Kroger Technology & Digital Innovation Lab)