I never use self service checkouts, on the grounds that it's depriving someone of a job, and me of a human interaction.
That's not meant to sound pompous or morally superior alea, it was just a thought I had yesterday when MrA used the self service checkout in the Co-op, that soon we will be interacting with machines more than other human beings. It followed on from a thought the previous day that buses might get to their destinations a lot quicker if they still had conductors, and didn't wait for 5 minutes at every stop while passengers fumbled for change it tried to swipe their bus passes properly.
Even when I go to the doctors, I don't have the pleasure or otherwise of speaking to a receptionist, as they now have one of those things where you tap in your details to confirm your appointment.