Which early technological retail innovation from the 1970s laid crucial groundwork for modern e-commerce platforms?

The digital transformation of retail has roots going back further than many realize. Throughout history, technological innovations have dramatically changed how merchants connect with customers. From the first mail-order catalogs to today's AI-powered recommendation engines, each advancement has redefined the shopping experience. Test your knowledge about the historical milestones that shaped modern retail digital transformation!

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Electronic Data Interchange (EDI) systems for retail supply chains
Retail barcode scanning (though invented earlier, first widespread retail implementation was 1974)
The first electronic point-of-sale terminals with integrated inventory management
Videotex shopping services like CompuServe Electronic Mall