Should my barber do a technology upgrade?

I noticed a barber shop sign at a local strip mall last year and stepped inside, hoping to get a haircut. The lone barber turned away from the customer in his chair, looked at me and said, “Sorry, man. It is by appointment only”. It was relatively spacious place. There were no other waiting customers there. It felt peaceful and quiet. Local NPR station was playing on the radio. I took his card and left. I got my haircut somewhere else that weekend. Over the next month or so, I called him on Saturdays, for the hair cut appointment. He was booked. Every single weekend. I wised up and called him on Friday. I got the appointment for the next day. […]