Every Facebook user has a unique ID number. This number gives you some information on approximately -- but not precisely -- when you and your friends joined Facebook relative to each other. A lower ...

Each Facebook profile bears a unique Web address, or URL. When you first create an account, your profile URL is a long string of symbols and numbers. Such convoluted URLs make it difficult to ...

How does Facebook generate your ID when you join the site? While new users of the site aren’t aware of the use of numerical IDs, since the beginning Facebook’s profile system has been based on IDs to ...

When Facebook was founded, every user was given an ID number. It began with ID #0, which redirects every user to their own profile page. ID numbers 1-3 were tests that Mark Zuckerberg used to ...