By profit margin, Apple is a lot closer to the purely software companies than it is to the likes of the (nearly identical) Walmart and Amazon. http://ycharts.c

By profit margin, Apple is a lot closer to the purely software companies than it is to the likes of the (nearly identical) Walmart and Amazon. http://ycharts.com/companies/AAPL/profit_margin#compCos=AMZN,MSFT,GOOG,WMT http://ycharts.com/companies/AAPL/profit_margin#compCos=AMZN...