21. The system of claim 20 , wherein at least one of said plurality of functionality modules is configured for communicating with a network node for said obtaining.
21. The system of claim 20 , wherein at least one of said plurality of functionality modules is configured for communicating with a network node for said obtaining. 22. The system of claim 21 , wherein said network node is selected from a group consisting of a database, a list, and a web server.