Obligatory XKCD: <a href="https:&#x2F;&#x2F;xkcd.com&#x2F;903&#x2F;" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;903&#x2F;</a><p>Ah, but unlike any other obligatory XKCD you tend to see on HN, the relevance here isn&#x27;t in the comic but in the alt-text you get when you hover over the image.