Web and mobile apps are moving away from pages towards completely personalized experiences. These new experiences are built on an aggregation of many individual pieces of content. The way this content is now being presented is in the form of cards. The card-based interaction model is spreading pretty widely, and you can see digital cards almost everywhere - from news sites to food delivery apps.
In this article, I'll explain what cards mean to UI designers, and I'll review three popular card-based services. If you're interested in prototyping your own card-based user interface, you can download and test Adobe's Experience Design CC for free and get started right away.