This document discusses SharePoint apps from an end user perspective. It defines apps as third party features that add value without needing to be built internally. Apps are analogous to smartphone apps, allowing users to find and install solutions to meet their needs. The document reviews the history of third party solutions in SharePoint and how apps have expanded what is possible. It also covers finding, purchasing, and managing apps, noting the variety of pricing models available. Examples of free and paid apps are provided to illustrate popular options.