Asynchronous Pages in ASP.NET

In my opinion, one of the most unappreciated enhancements to ASP.NET 2.0 is the ease in which one can design their code to run asynchronously. In my experience, developers have blown off the idea in the beginning because of not realizing the true potential of asynchronous development in a web application. This MSDN article goes into details about why asynchronous programming is important to your ASP.NET applications, and provides code samples to help you understand.