If you want to keep track of activity in certain categories, forums, and topics, you can add them to an RSS reader. This lets you access Discussions content in read-only mode.
For more information on RSS and where to download RSS readers, visit: http://www.oracle.com/technology/products/jdev/temp/whatisrss.html
The Oracle Discussions Web UI online help provides instructions on how to add categories, forums, and topics to your RSS reader.
Click here for a tutorial.