Turning 21 is considered a rite of passage in most Americans’ lives; it signifies a transition into adulthood and a passage from years of schooling to a journey of countless responsibilities.

Amazon.com turned 21 this summer, and it’s fair to say the Seattle-based e-commerce giant is handling the transition with aplomb. In July its market capitalization hit $356 billion, positioning it as the fifth-most-valuable U.S.-listed company; that same month, the second iteration of Amazon Prime Day yielded a 60 percent bump in sales over 2015.

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