Amazon.com's (NASDAQ: AMZN) first-mover advantage in the e-commerce space is huge, and the company has taken full advantage of it. Starting initially just with books, it now sells millions of items, and its supply chain, efficient delivery, and sheer scale make it an entity that's crushing the conventional competition and disrupting the retail space as a whole. In this video, Motley Fool analyst Joe Magyer discusses just how big Amazon's moat is, and he tells us why some of the long-range strengths of CEO Jeff Bezos mean we can expect the company to continue on the right path into a very rapidly expanding market.

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