>Shopping Lists (hard to do the interactions on this)

with a companion app, you could scan the barcodes of the items as you place them in the cart, and then remove the item from the visible list in the AR HUD. shit, tie that into the actual store's check out system so you don't have to use their stupid POS self-checkout lines. just bag it up and be on your way. other than the products that are sold by weight, this seems like something we're missing out on as a species.