text:  There may be divided opinion on whether these are liked or not, and there certainly is customers that like them, but there are also certainly people that don't like them. Self-scans are not rocket science to use. The older generation of customers is not afraid of them whatsoever. We have a younger generation of people that just don't like them. It's like any technology. I'm not going to sit here and pretend that we don't have issues with them, but we do have issues with our manned tills also. Does self-scans give any more trouble than other certain...