This document discusses building the perfect dashboard in Power BI. It introduces Power BI and describes how it has evolved from technical BI for IT users to self-service BI for end users. It outlines the different data sources that can be connected to Power BI like Excel, on-premises databases, and cloud services. It also lists the supported browsers and mobile devices for viewing Power BI reports and dashboards. Finally, it indicates there will be a demonstration of Power BI's features.