4 ms·He's didn't mean obligatory was the wrong word. He's saying we could have done without the xkcd.by sockgrant 12y agoHe's didn't mean obligatory was the wrong word. He's saying we could have done without the xkcd.jl6 12y agoPossibly derived from the Usenet habit of putting an "Ob" footer reference to a piece of pop culture, to demonstrate hipness.valleyer 12y agoThanks, missed the snark.