You can now block Mark Zuckerberg on Facebook. What a Friday. Up until now, you've been unable to block Zuckerberg or his wife Priscilla Chan on Facebook. You'd receive an error message that said something like, “Block Error. Sorry, there was a problem blocking Mark Zuckerberg. Please try again." This wasn't intentional, Facebook told BuzzFeed News a few months ago. Instead, the company says its system got too busy to handle these block requests. Okay then.
Apparently the system has...