Which retail innovation lab developed and first implemented the now-ubiquitous 'Just Walk Out' cashierless technology before it was deployed in stores?

Throughout history, major retail companies have established innovation labs to develop groundbreaking technologies that transform how we shop. These labs have been responsible for some of the most significant retail advancements of the past few decades, changing consumer experiences worldwide. Test your knowledge about these centers of retail innovation that bridge the gap between traditional shopping and cutting-edge technology.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Amazon's 'Amazon Go' lab in Seattle (2015)
Walmart's 'Store No. 8' incubator (2013)
Target's 'Forward' innovation center (2014)
Kroger's 'Digital Innovation Lab' in Cincinnati (2012)