"Catering to the overworked, the introverted and the way-too-baked, a new barbershop in San Francisco offers silent haircuts so that you no longer have to talk to your barber as they line you up." https://sfstandard.com/community/drink-free-beer-in-silence-at-this-new-san-francisco-barbershop/
@estherschindler
Dentists should look into that since it seems that they don't understand how conversations work.