WalMart does make large changes to their stores and business models based on what their smaller competition is doing. So does Microsoft. So does Google. The

WalMart does make large changes to their stores and business models based on what their smaller competition is doing. So does Microsoft. So does Google. The bottom line is that they are all ruthless competitors and that's why they're all leaders in their space. It's no coincidence that WalMart and Google have very similar corporate communications strategies, either. Smiley faces and cutesy icons all the way to the firing squad.