The Web 2.0 concept drives enterprises to develop browser-based Rich Internet Applications (RIAs) that support different market needs, such as platform (operating system, browser, and device) independence, information collaboration, social-networking, rich user interfaces, high performance, and high security. Silverlight 2 is a Microsoft. NET Framework-based technology platform enabling us to develop loosely coupled plug-ins and RIAs at the enterprise level. Silverlight helps enterprises to achieve the Web 2.0 concept by implementing RIAs in a very agile and costeffective way that can provide maximum customer satisfaction and thus can drive enterprises to transform information system centers from cost centers to profit-making centers.