Which retail innovation, introduced in 1916 by Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise and is considered the precursor to modern supermarkets?

Before this revolutionary retail concept emerged, shopping was a completely different experience. Store clerks would retrieve all items for customers from behind counters, making shopping a time-consuming process. This innovation fundamentally transformed how consumers interact with products and dramatically increased retail efficiency. Test your knowledge of this pivotal retail innovation that changed shopping forever!

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Piggly Wiggly (The first self-service grocery store)
The Automatic Cashier (The first mechanical point-of-sale system)
The Shopping Gallery (The first multi-brand department store)
The Merchandise Emporium (The first store with shopping baskets)