This document provides an overview of Adobe Experience Manager (AEM) and related technologies. It discusses that AEM was founded in 1993 as Day Software and acquired by Adobe in 2010. It is now an integral part of the Adobe Marketing Cloud and is a leader in web content management. The document outlines key AEM features such as a touch-optimized UI, mobile app creation, commerce integration, and use of Apache Sling and Java Content Repository for its architecture.