Twitter has had some downtime lately.  It has also (relatedly) grown quite popular.  This lead not one, not two, but at least three separate people (Louis Gray, Brian Alvey, and John Gruber) to suggest, independently and humorously, that Twitter would make a ton of money selling advertising on their “Something is technically wrong” page.

[Bonus: Twittering About Architecture gives some background and explains Twitter’s “gradual transition” for dealing with stability problems.]