This is just for fun. You can assume you retain full use of your faculties. I don't have anything to add to the question, although that may change depending on the responses. The twenty year time period is arbitrary.
closed as off topic by Mariano Suárez-Alvarez♦, Ryan Budney, Pete L. Clark, José Figueroa-O'Farrill, Steve Huntsman Jul 10 '10 at 14:16
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Can't decide between "update me on the Millennium Problems" and "Is Wikipedia still there?"