what is a username in facebook
Usernames and User IDs are part of your Public profile. We use this information to help people find you and to organize your information internally.We use your username to create a custom link (a Facebook URL, such as www.facebook.com/username) to your profile that you can give out to people or post on external websites.Though Usernames are not the same as your name or Page name, they are typically variations on your name.For example, someone named Jane Doe might choose jane.doe for her username so her friends can visit her profile by going to www.facebook.com/jane.doe. Learn how to customize your profile username.e use this information to help people find you and to organize your information internally. We use your username to create a custom link (a Facebook URL, such as www.facebook.com/username) to your profile that you can give out to people or post on external websites.