Amazon is a trillion-dollar online retail giant that controls nearly half of the online shopping market. However, nearly half of their behemoth trillion-dollar valuation has nothing to do with online retail and actually comes from Amazon Web Services or AWS which was started 12 years after Amazon. Over the past decade, AWS has provided Amazon with the income they needed in order to continue the expansion and growth of its Amazon retail business as well as offer ambitious delivery times through prime. Though giant, Amazon’s retail business was not profitable till 2018 and still lags far behind the profits of Amazon Web Services. This video explains what AWS is, the story of how AWS was started, and how AWS has helped Amazon grow to dominate online retail.