some Useful Blogs

http://msdn.microsoft.com/en-us/library/7c5ka91b.aspx
http://blogs.msdn.com/b/brada/archive/2005/01/26/361363.aspx

http://msdn.microsoft.com/en-us/library/ms731069.aspx

How is a Request Processes (IIS articles)

http://www.theserverside.net/tt/articles/index.tss
http://www.theserverside.net/tt/articles/showarticle.tss?id=IIS_ASP
http://msdn.microsoft.com/en-us/library/ms972974.aspx#
http://www.west-wind.com/Weblog/posts/2287.aspx

CallBacks in WCF

http://www.c-sharpcorner.com/UploadFile/john_charles/CallbackoperationsinWindowsCommunicationFoundation.aspx

http://idunno.org/archive/2008/05/29/wcf-callbacks-a-beginners-guide.aspx#related-results

http://msdn.microsoft.com/en-us/library/ms734653%28v=VS.90%29.aspx

http://stackoverflow.com/questions/76364/what-is-the-single-most-effective-thing-you-did-to-improve-your-programming-skill
http://stackoverflow.com/questions/1959295/i-cant-create-a-clear-picture-of-implementing-oops-concepts-though-i-understand