Linked Data is becoming an increasingly popular method to publish data. It is based on a simple set of rules and a number of widely adopted standards. This introductory article aims at capturing the simplicity of Linked Data, and the concepts behind the related standards. It will help the reader to understand the basic elements of Linked Data and its related technologies. Using the example of a calendar app, we will highlight the practical advantages of using Linked Data for writing apps and publishing data in a completely decoupled way.