If you haven't seen them, make sure to check out The Onion's TED parodies - Onion Talks:

http://www.youtube.com/playlist?list=PL4NL9i-Fu15hhYGB-d0hmS...

They may be the funniest thing The Onion has ever done.

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Edit: of particular interest to the HN crowd would be their takedown of the "Idea Guy":

http://www.youtube.com/watch?v=DkGMY63FF3Q

and the "Social Media Consultant":

http://www.youtube.com/watch?v=CK62I-4cuSY