Mate Presentation given to NY Flex User's Group on October 22nd, 2009. Covers EventMap, EventHandlers, Injectors, and YQL for Twitter integration.
I didn't make the diagrams. They were created by another blogger (whom I can't seem to find at this moment). They were used without permission, so if you are the rightful owner and would like me to add attribution or remove the diagrams, let me know.