Could it be a reference to this? http://web.media.mit.edu/~stefanm/phd/cellularsquirrel/
What about the old "Bananaphone" pun?
Sometimes I wonder if the joke is to make ExplainXKCD squirm.
^ Not really. Those like me who used SquirrelMail had a laugh. Mostly every XKCD joke is incomprehensible to people not familiar with the subject of the joke.
"a living squirrel being not an appropiate creature to mantain a phone call. "... well, duh. Everyone knows that a squid would make MUCH more sense! 184.108.40.206 05:16, 16 September 2015 (UTC)