4. The method of claim 3 , further comprising storing a universal resource locator (URL) associated with the document page associated with the one or more tags, wherein the document page can be identified based on the one or more tags and retrieved from a location addressed by the URL associated with the document page.
4. The method of claim 3 , further comprising storing a universal resource locator (URL) associated with the document page associated with the one or more tags, wherein the document page can be identified based on the one or more tags and retrieved from a location addressed by the URL associated with the document page. 9. The method of claim 4 , further comprising displaying a feed mechanism within the sidebar window to allow a user to subscribe updates from any of the selected communities.