xkcd is one of my favorite webcomics, and is frequently featured in my Google Reader share list. It’s an extremely nerdy comic, and as such, is oftentimes incomprehensible to the layperson who does not necessarily get the computer science or physics or math jokes.
So, when I didn’t understand one of xkcd’s latest comics (below), I simply chalked it up to my not having understood some bizarre cultural or geek reference.
Lo and behold, I spot this little gem of a Discovery Channel ad on YouTube:
And then it all made sense!
Honestly, though, it’s a very cute and (I think) effective ad!