Oracle WebCenter Portal: Spaces is an out-of-the-box application that brings you the latest technology in terms of social networking, communication, collaboration, and personal productivity with no development effort.
WebCenter Portal: Services provide a variety of Web 2.0 content management, search, collaboration, and communication services to extend the functionality of your applications and enrich the end user experience.
Go to the Oracle WebCenter Portal documentation library
Make the Most of the Home Space
The Home Space can provide each user with a private work area for containing useful information and, more importantly, for sharing it securely with other users when desired.Depending on your application configuration, the Home Space can be a private dashboard that users can customize to include mail, chat, tracked discussions, documents they have created or shared, and Internet content, such as Google gadgets and RSS feeds.