When I first arrived in the USA in 1995 as a CS student, I was surprised to see these identical Walmarts. They were all the same - same aisles, same items in those aisles, same prices, same senior citizens manning the checkout counters.. So I asked the gent at the checkout counter - Sir, instead of me coming to your Walmart every weekend to buy groceries, why doesn't Walmart standardize on groceries & deliver them weekly to all American citizens ? Huge savings on driving costs, shopping time,...

He looked at me and said - Son, that's called communism.