Why Does Interaction Design Matter? Let’s Look At The Evolving Subway Experience
: Frog’s Robert Fabricant dissects the ways that credit-card swipes work in New York’s subway system, and finds an object lesson in user interface design. : http://www.fastcodesign.com/1665022/why-does-interaction-design-matter-lets-look-at-the-evolving-credit-card-swipe