Update: Changed dead "In popular history" history link to a link for the discussion about the deletion. Btw, apparently there is still a Wikipedia policy page about this, called Wikipedia:"In popular culture" articles, though that is more about "In popular culture" subpages than sections. Still, it does itself now have an "In popular culture" in popular culture section. :D
Btw, I love the images and captions on this policy page.
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Today's xkcd makes fun of the "In Popular Culture" section that litters some Wikipedia articles with references to TV shows and such. The mouse-over text jokes about the day when we have a Wikipedia article about the "In Popular Culture" section with its own "In Popular Culture" section that references that very xkcd comic. So I went hunting for aforementioned Wikipedia article, and it doesn't exist. (Although... I'm sure someone's attempted to create it and had it speedy-deleted already... *Checks*... Aha! I was right!) I then searched for ["in popular culture"] on Google, and I was amused/appalled at the top results:
Update: Hahaha! I think I like the Live Search results even better:
:D