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Service Design Design Patterns Wiki
Victor Lombardi has started Service Design Design Patterns, a wiki for capturing design patterns about service design. There are other places to learn about design process and methods; these patterns try to describe aspects of the service itself.
Stickyframes
Wireframes Magazine featured an entry on using sticky notes for UI design. I know a lot of us have done something like this before, whether it's using sticky notes or something else. I have occasionally sketched large and used transparent vellum with tape in the past.