if I am in a store and I want to make a purchase on in some way connect to the store, wouldnt it just be easier to install that stores app, or visit nikemob.com and communicate and make purchased through the internet?
shouldn't the internet be the communication medium?
Apple is already doing this, you buy items on your phone, walk into a store and pick up the item and walk out. You can even purchase in the app while in store without talking to anyone. no need to scan a qr code, or connect with NFC.