No, really, I do work in IT...

Saw this.    This is one for the real geeks.  It made me laugh out loud, second time today, when I saw it.  This could take an hour or two, but the process is clear.  There is a hierarchy of dependencies on the answers, i.e. the last one is the only one with a non-referential answer, so you start there, and work backwards.  Ahhh.  Geek heaven.