In this section, you will find background information about topics such as Web application and site collection hierarchies, forms-based authentication, setting up site collections for customers to administer for themselves, and application templates that you can use to extend your service offering.
Microsoft.com and TechNet contain a large and developing range of documentation that you can use to learn more about customizing your Windows SharePoint Services hosting environment. The following sites contain business and technical content that may help you in such efforts: