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Understanding Facebook's Core Privacy Settings

Facebook's privacy settings form the foundation of your control over personal information shared on the platform. As of 2024, Facebook maintains over 2.9 billion monthly active users, making it one of the most widely used social networks globally. The platform collects various types of data including profile information, browsing history, location data, and interaction patterns. Understanding these settings can help you manage what information becomes visible to others and how Facebook uses your data.

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The primary privacy controls on Facebook center around who can see your profile, posts, and personal information. These settings exist in your Privacy Settings and Tools section, which can be accessed through the Settings & Privacy menu. Facebook allows you to control visibility at multiple levels: public (visible to everyone), friends only (visible to connections), specific groups of friends, or completely private (visible to no one except you).

Many people find that their initial Facebook privacy settings are set to more permissive levels than they prefer. Research from Pew Research Center indicates that approximately 74% of Facebook users have adjusted their privacy settings at least once. This suggests that exploring your privacy options can help align the platform with your comfort level regarding information sharing.

• Profile information visibility controls (name, profile picture, bio, cover photo)
• Post visibility settings for current and past content
• Friend list visibility options
• Contact information privacy (email, phone number, website)
• Life event sharing controls (relationship status, education, work)
• Photo and video tagging approval settings

Practical Takeaway: Start by visiting Settings & Privacy > Settings > Privacy, then review each control individually. Take time to understand what each setting does before making changes, and consider your personal comfort level with information visibility rather than accepting default settings.

Controlling Who Can See Your Posts and Profile

One of the most important privacy decisions involves determining who can view your posts and profile information. Facebook provides multiple audience options that range from completely public to highly restricted. The default setting for new posts often allows Friends to see your content, but you can change this on a post-by-post basis or establish a default preference for all future posts.

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The audience selector appears above every post you create and displays your current default setting. By clicking this selector, you can choose from several options: Public (anyone on or off Facebook can see the post), Friends (only your confirmed connections), Specific people (custom lists you create), or Only Me (completely private). Additionally, Facebook allows you to control who can contact you, comment on your posts, and see your friend list.

Facebook's data shows that posts set to "Friends" represent the most common choice among privacy-conscious users. However, some users may benefit from exploring the "Specific People" option to share different content with different groups. For example, you might share professional content with colleagues, personal updates with close friends, and family photos with family members only.

• Set default audience for new posts in Privacy Settings
• Review past posts using the "Old Posts" privacy setting
• Use the "Limit Past Posts" feature to change visibility of previously shared content
• Create custom lists for Work Friends, Close Friends, or Family
• Control who can message you directly through Messenger settings
• Manage story visibility separately from regular posts
• Review and update posts individually before sharing sensitive information

Stories on Facebook operate under separate privacy controls from regular posts. Stories disappear after 24 hours and include features like story replies, which you can restrict to close friends or disable entirely. You can also hide your story from specific people without unfriending them, and you can see who has viewed your story.

Practical Takeaway: Spend 15 minutes reviewing your last 10-20 posts and check their visibility settings. Use the "Limit Past Posts" feature if you find many posts are set to public or a broader audience than you prefer. Going forward, establish a habit of checking the audience selector before posting any content.

Managing App Permissions and Third-Party Access

Beyond Facebook's own platforms, many external applications and websites request permission to access your Facebook information. These third-party integrations can range from games and productivity apps to news websites and shopping platforms. Facebook reports that millions of apps connect to its platform, and each one potentially accesses different types of user data based on the permissions you grant.

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Your Apps and Websites section in Facebook settings displays all applications currently connected to your account. For each app, you can see what information it accesses, when you last used it, and options to remove access entirely. Common permissions include access to your friend list, email address, birthday, location, and browsing activity. Many users discover they have connected apps that they no longer use or remember authorizing.

The Expired Tokens setting automatically expires app access after 90 days of inactivity, providing an additional layer of protection. This means apps you stopped using won't maintain indefinite access to your information. You can also control whether apps can post to your timeline, access your photos and videos, or see your activity outside Facebook through Off-Facebook Activity settings.

• Review all connected apps monthly in Apps and Websites settings
• Remove access from apps you no longer use actively
• Check "Logged in with Facebook" permissions for external websites
• Disable app posting permissions unless specifically needed
• Review the Off-Facebook Activity section to see what data apps collect
• Avoid authorizing apps requesting excessive or unnecessary permissions
• Use App Passwords for high-security apps instead of sharing your main password

Understanding the difference between essential and optional permissions can help you make informed decisions. An essential permission might be email access for login purposes, while optional permissions might include access to your photos or location. Before authorizing any app, consider whether the app truly needs the information it's requesting to function properly.

Practical Takeaway: Open your Apps and Websites settings right now and remove any app you haven't used in the past month. For active apps, review what information they access and remove unnecessary permissions. This simple cleanup can significantly reduce your digital footprint.

Protecting Your Contact Information and Communication

Your contact information—including email address, phone number, and website URL—serves as a gateway for others to reach you outside of Facebook's platform. These details deserve special protection because they can be used for purposes beyond the original context of Facebook connection. Facebook allows granular control over who can see and use your contact information.

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In your About section, you can control who views your phone number, email address, and other contact details. The same visibility options apply here as to your profile: Public, Friends, Custom, or Only Me. Many privacy experts recommend setting contact information to Friends only, ensuring that only people you've explicitly accepted can easily reach you through these channels.

The Messenger settings provide additional controls over communication. You can control whether Stranger Requests reach your main inbox or are filtered to a separate folder, require message requests, or are blocked entirely. Many users experience unsolicited messages from people they don't know, and these settings help manage that experience. You can also control who can add you to group conversations.

• Set email address visibility to Friends or Custom in About settings
• Set phone number visibility to Friends or Custom
• Control who can look up your profile using your email or phone number
• Filter unknown messages to a separate folder using Messenger settings
• Disable message requests from people you're not connected with
• Control who can see your "Active Status" (online/offline indicator)
• Review and delete old messages periodically

The "Who can look you up using the email/phone number you provided?" setting controls whether people can find your profile using your contact information. Setting this to "Friends of friends" or "Friends only" significantly limits unsolicited contact. If you use your phone number for two-factor authentication, you may want to balance security with privacy by allowing lookups but restricting who can message you.

Practical Takeaway: Review your contact information visibility in your About section and set phone number and email to Friends only. Then check your Messenger settings