The push to reduce the role of store clerks in the retail industry was well underway before the Covid-19 pandemic attacked humankind. Now, there is a sense of urgency associated with the migration to sales without the need for interaction with a store clerk. Use of contactless cards, which were already gaining acceptance because consumers liked using them, have been booming since Covid-19 hit. Self-service kiosks of all kinds are seeing rapid deployment. Consumers are ordering online as well as using delivery services to avoid interacting with restaurant staff. Mobile ordering is becoming comm...