Amazon vs. Best Buy Revenue

With Best Buy's CEO stepping down yesterday there's a lot of talk about how Amazon is killing all retailers.  Below is a chart comparing AMZN's revenues vs. BBY's.  Also there is are chart comparing each company's gross margin and market cap.  Electronics and other merchandise was roughly 60% of AMZNs sales in 2011, so it really only sells about half as much electronics merchandise as Best Buy does.  It's market cap is 11x larger though.

AMZN Revenues TTM data by YCharts

AMZN Gross Profit Margin data by YCharts

AMZN Market Cap data by YCharts