Which pricing strategy helped Amazon set the world record for the fastest company to reach $100 billion in annual sales, achieving this milestone in just 21 years after its founding?

Test your knowledge about one of the most remarkable pricing strategies ever employed in retail history that broke world records. Pricing strategies can make or break a business, but some approaches have achieved such remarkable success they've earned their place in the record books. Can you identify the strategy behind the world's most successful retail pricing revolution? This question separates retail experts from casual shoppers!

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Dynamic pricing algorithms that change prices up to 2.5 million times per day
The 'Subscribe & Save' model with guaranteed 15% discounts on recurring purchases
Loss leader strategy focusing on selling Kindle devices below manufacturing cost
Prime membership's flat-rate shipping regardless of purchase frequency or volume