Why Did Mark Zuckerberg Make Himself Unblockable on Facebook? (Updated)Adrian Chen8/23/10 8:39amFiled to: MysteriesYour Privacy Is An IllusionFacebookMark ZuckerbergValleywagBlockzuck.comtweetFb176EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkWhat do you do if you're the CEO of a company faced with persistent privacy concerns? If you're Mark Zuckerberg, you make it so users of your service can't block you. Mark Zuckerberg recently, mysteriously, became unblockable on Facebook.AdvertisementTechCrunch highlights a funny single-serve website, blockzuck.com. Its only purpose: to point out that if you try to block Mark Zuckerberg on Facebook, thus hiding your profile from him, you are greeted with a "general block failed error." You can block anyone else on Facebook—you just can't block the Zuck!But, according to the guy behind Blockzuck,com, (who prefers to remain anonymous) you used to be able to block Zuckerberg. He started Blockzuck.com to convince people to do just that, and had to update his site once Zuckerberg became unblockable. He told us in an email:AdvertisementMy original idea was to start some campaign to get people to block Zuckerberg on Facebook, as sort of a half-assed privacy protest. I came up with the idea after the last major privacy uproar, and decided to save it for the next one that came along, which was Places.Until very recently, it *was* possible to block him; after I put up the original version of the site, I discovered that he couldn't be blocked anymore. Which is much more interesting than my original lame idea, so I updated the site to reflect that.So, why did Mark Zuckerberg become unblockable on Facebook? Who knows. Maybe he or an engineer found out about Blockzuck.com and wanted to retaliate. Or maybe he just gets a kick out of creeping people out. I'm a creep... I'm a weirdo..., etc.