This document discusses the role of technology in tourism services. It notes that service interactions have increasingly moved from human to machine interactions, with technology substituting for employee labor to reduce costs. An example given is automated teller machines (ATMs) replacing bank tellers. The document also discusses emerging technologies like near-field communication (NFC) chips that allow contactless mobile payments. Finally, the document provides an animation that shows the evolution of self-service options in industries like airlines, restaurants, movie theaters, and gambling - moving from fully human interactions to options with less human contact or interactions conducted entirely online.