I don't normally like "there's an XKCD for that" posts, but https://xkcd.com/2116/ https://xkcd.com/2116/ was posted Monday, Febuary 25th (or at least the forum

I don't normally like "there's an XKCD for that" posts, but https://xkcd.com/2116/ https://xkcd.com/2116/ was posted Monday, Febuary 25th (or at least the forum thread for it was [0]), while the article says this wasn't released until Friday. Was there some earlier indications of this, did Randall get some advanced warning, or was this just lucky timing? [0] http://forums.xkcd.com/viewtopic.php?f=7&t=126119 http://forums.xkcd.com/viewtopic.php?f=7&t=126119