some of you might be missing the point
the document in question is not just an embarrassing ironic "gotcha" - it is meant to emulate a kidnapping plan. the profile of the security guard, distance measurement, service business identification, and, most telling of all, LIST OF STOP SIGNS on their way to work are all things that would help with abduction by subterfuge or force of one of the richest men in the world.
the missing link: this is a particularly sensitive subject in Silicon Valley, where Adobe executive Charles Geschke was kidnapped for several days back in the early 1990's. this abduction was IN MOUNTAIN VIEW, before Adobe moved to San Jose, with a paltry ransom of US$650,000. the FBI recovered Geschke after baiting the kidnappers with the payment.
those were just a couple local yokels from San Jose and Campbell looking to make quick cash with a gun and a rural house. now imagine some more desperate, experienced and resourceful men from Sergei Brin's lovely home country of Russia decide to try the same thing.
this article would do well to link these two events, as this is a more sensitive issue than it seems.
(side note: fuck mandatory signups. what a fucking annoyance. you can't even get the accented a in my name, either.)