Why @[4:0] will show Mark Zuckerberg’s name on Facebook

There is a well-known Facebook trick that will insert Mark Zuckerburg’s name, and tag him, anywhere on the website if you type @[4:0]. In…

There is a well-known Facebook trick that will insert Mark Zuckerburg's name, and tag him, anywhere on the website if you type @[4:0]. In fact, its not a trick at all, ...

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