This document discusses Rich Internet Applications (RIAs) and the RIA Working Group (WG). It provides an overview of RIAs, examples of RIA platforms, and the goals of the RIA WG to recommend specifications for RIA interoperability. It also outlines the characteristics of RIAs for both consumers and enterprises, including rich user experience, responsiveness, data visualization, client resource utilization, stateful sessions, and multichannel capabilities. Finally, it discusses collecting requirements from stakeholders and intersections with service-oriented architecture (SOA).