Even ignoring their Web infrastructure business, Amazon is the 800 pound gorilla of e-commerce. It's true that their profit margins are quite low but that's par

Even ignoring their Web infrastructure business, Amazon is the 800 pound gorilla of e-commerce. It's true that their profit margins are quite low but that's part of being a distributor, and helps them fend off competitors as they keep growing. http://chart.googleapis.com/chart?cht=bvg&chs=323x200&chbh=18&chdlp=t&chls&chg=0%2C25&chm=D%2C990033%2C2%2C-1%2C3%7Cs%2C990033%2C2%2C-1%2C5&chdl=Revenue%7COperating%20income%7COperating%20margin%20(%25)&chco=0066FF%2CFF9900%2C990033&chds=0%2C50000%2C0%2C50000%2C0%2C100&chxt=x%2Cy%2Cr&chxl=0%3A%7C2007%7C2008%7C2009%7C2010%7C2011%7C1%3A%7C0%7C12500%7C25000%7C37500%7C50000%7C2%3A%7C0%25%7C25%25%7C50%25%7C75%25%7C100%25&chd=t2%3A14835%2C19166%2C24509%2C34204%2C48077%7C655%2C842%2C1129%2C1406%2C862%7C4.4152341%2C4.3931961%2C4.6064711%2C4.1106305%2C1.7929572 http://chart.googleapis.com/chart?cht=bvg&chs=323x200&#3...