 Well, whenever you scan a QR code, you're likely offering up that information about where you were or your phone to the person that's providing the app or setting up the link. So you do need to be concerned about the fact that you may be revealing a level of information about yourself that you might not want. So if you're very concerned about that, you probably should hesitate to scan QR codes maybe outside a point of sale or at your home if you don't want to reveal that information. But increasingly, what we find is the benefits