I want to be able to use my phone to tap a tag on a piece of merchandise at a store… and know that the item will be delivered to my home, and my card on file at the merchant be charged. I was in Macy’s yesterday, looking at bath mats – the line was too long, so I walked away. But I would have tapped….

And I know, this is what Amazon and others enable if you scan the barcode. But why can’t I buy it from the merchant whose store I am in?