I’m a total saddo. I tried this, and it worked, and I laughed myself silly.
Pastor of Muppets writes, “Having a browse through xkcd, noticed the alt-text on this one which says ‘Wikipedia trivia: if you take any article, click on the first link in the article text not in parentheses or italics, and then repeat, you will eventually end up at “Philosophy”. Try it, it’s utterly true.'”
via B3TA. Also see the Wikipedia page on the phenomena.