When you sign up for a Facebook account, Facebook assigns your profile with an ID number. Facebook will also prompt you to create your own custom user name, which will display on your Facebook page as ...

Rather, as a 2011 story on the "Today" show’s website explains, the series instructs Facebook to convert the number to its corresponding Facebook page identification number. Mark Zuckerberg’s Facebook ...

When you upload photos to a Facebook album, each picture is assigned a unique identification number. This photo ID helps you single out an individual picture when you want to reference a specific ...