"Deliver groceries to people able and willing to pay for them" has been going on for a very long time. Back before home internet access was a thing, companies

"Deliver groceries to people able and willing to pay for them" has been going on for a very long time. Back before home internet access was a thing, companies like Schwan's ( http://en.wikipedia.org/wiki/Schwan_Food_Company http://en.wikipedia.org/wiki/Schwan_Food_Company ) were making home deliveries of frozen foods. Dairies have done deliveries for as long as I can remember. Webvan didn't fail because grocery delivery is a bad idea.