Which retail innovation was invented by Charles Fey in 1894, but was transformed into a major e-commerce strategy by Amazon in 2012 with their patent for a 'subscription-based purchase model'?

Throughout history, retail has been transformed by groundbreaking technologies and innovations that forever changed how we shop. Some inventions were so revolutionary they created entirely new business models and customer experiences. Test your knowledge about a pivotal retail discovery that altered the industry landscape and paved the way for modern commerce as we know it today.

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The 'Subscribe & Save' model, originally developed for newspaper delivery
The 'One-Click Purchase' button, originally designed for telegram ordering systems
The 'Recommended Products' algorithm, first used in mail-order catalogs
The 'Prime Membership' concept, initially created for department store loyalty programs