6. The method of claim 1 , wherein specific types of activities are automatically added to the set of invoked activities when invoked during the current session.
6. The method of claim 1 , wherein specific types of activities are automatically added to the set of invoked activities when invoked during the current session. 7. The method of claim 6 , wherein the specific types of activities include composing a first specific document, viewing a second specific document, and searching a specific term.