Silverlight is a case of the right technology at the right time. This is a time of convergence. Companieswant to be able to leverage the experience of their developers when developing Rich InternetApplications (RIAs). Developers want to write applications using the development tools and languagesthat they are comfortable with. Desktop application developers who previously may have felt that webdevelopment was out of reach can feel at home developing Silverlight applications.For Windows client developers writing a web application has been kind of like writing in a dialectthat is not completely familiar to them. The stateless model of web applications and the sessionmanagement model is something that Microsoft tried to hide away when they created ASP.NET, but it’sstill not quite like writing a desktop application. If you want to do anything interesting with the userinterface it usually requires you to write Javascript on the client side and many more hours ofdevelopment than it would take to do the same thing in a desktop application.

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