Which major retailer is widely credited with pioneering the modern omnichannel retail strategy in the early 2010s?

In today's competitive business landscape, omnichannel retail strategies have become essential for success. This approach seamlessly integrates various shopping channels to provide customers with a unified experience whether they're shopping online from a desktop or mobile device, by telephone, or in a brick-and-mortar store. But do you know which major retailer pioneered this revolutionary approach? Test your knowledge of retail business innovation history!

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Macy's, with its 'Omnichannel Customer Strategy' initiative launched in 2010
Amazon, with its introduction of Amazon Go physical stores in 2012
Walmart, with its 'Seamless Shopping Experience' program in 2011
Target, with its 'Channel Integration Project' implemented in 2013