Okay, I need your Facebook username to provide information about it. Please provide your Facebook username.
Once you provide your Facebook username, I will generate a response in the requested markdown format, like this example:
Your Facebook username is a unique identifier on the platform. It helps people find you and can be used in your profile URL (e.g., facebook.com/yourusername).
Here's what to consider about your username:
* **[Uniqueness](https://www.wikiwhat.page/kavramlar/Uniqueness)**: Facebook usernames must be unique; no two users can have the same username.
* **[Character Requirements](https://www.wikiwhat.page/kavramlar/Character%20Requirements)**: Usernames can usually contain alphanumeric characters (letters and numbers) and periods ("."). Spaces and other special characters are typically not allowed.
* **[Profile URL](https://www.wikiwhat.page/kavramlar/Profile%20URL)**: It's directly used to create your Facebook profile URL, making it easier for people to find you and share your profile.
* **[Changing Username](https://www.wikiwhat.page/kavramlar/Changing%20Username)**: Facebook allows you to change your username, but there might be restrictions and limitations on how often you can change it.
* **[Availability](https://www.wikiwhat.page/kavramlar/Availability)**: If the username you want is already taken, you will need to choose a different one.
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