The document discusses a presentation given on building business applications using Microsoft LightSwitch. It provides an overview of LightSwitch and how it can be used to build desktop, web and mobile applications without writing code. The presentation covers creating a sample conference application using LightSwitch, including defining the data model, building administration screens, and deploying the application to Azure. It also discusses using the LightSwitch HTML client to access the application from any device via a web browser.