This document summarizes a presentation about portals, including their history, current uses, and how Salesforce.com offers portals. It discusses how portals provide a single gateway for accessing integrated applications and information. The document outlines Salesforce.com's self-service, customer, and partner portals and how they enable functions like customer support, collaboration, and channel management. It also provides an example of how one company, Clarity Systems, implemented a customized self-service portal on the Salesforce platform to meet their specific business needs.