Twitter is by far one of the greatest inventions ever! You get to learn about stuff all over the world easily.
Today I was introduced to Ranger Web (http://dnnranger.com) A Website dedicated to DotNetNuke development / customization. This is the articles' page where you find videos/articles to so many topics in DotNetNuke! http://dnnranger.com/Articles.aspx
Enjoy it!
HTH
Tags: ASP.NET, DotNetNuke