Good luck getting the elderly customers to adopt such practice.
Naturally is their fault for not getting them, and should be punished with the 5 to 10 € for going to the counter.
Naturally is their fault for not getting them, and should be punished with the 5 to 10 € for going to the counter.
Additionally there are plenty among them that are technology illiterate.
These approaches only push them further away from society where only people that understand computers thrive.