Today Instagram celebrates a significant event for the service – half a billion active users per month. Mark Zuckerberg did not stand aside and published his photo at the desktop with an Instagram frame in his hands. However, this was not the most interesting, the attention of curious users was drawn to the laptop of the founder of Facebook. What did they see there? It turned out that Zuckerberg was extremely careful, and therefore the camera’s peephole and the microphone of his laptop were sealed with opaque adhesive tape. What is it – protection against sudden attack of hackers or incredulity to own security service? The question will probably remain open. There is no doubt that this is the workplace of Mark Zuckerberg, and not another employee of the company. Nine months ago, a video of an excursion around the office was published on Mark’s page indicating the table at which he works – the same books, the wooden Facebook logo, sunscreen, a backing on the table, and more.