You're right. I wasn't suggesting that VR/AR and drones would take over the retail landscape in a flash but these developments, combined with the general conven

You're right. I wasn't suggesting that VR/AR and drones would take over the retail landscape in a flash but these developments, combined with the general convenience of online retail, might make offline buying a highly unfavorable option for plenty of everyday things. If groceries being sold at Amazon Go could be bought just as easily through an app and delivered reliably in a short while with no additional cost, would the sophisticated system remain just as useful?