Every single Facebook user should now have the brand new privacy settings, which have changed radically since the last update.

With brand new features and revamped settings to play with -- this three-day holiday weekend is a perfect opportunity for you to take a look at your Facebook account, profile and privacy settings, and lock them down.

However, because of Facebook's expected profile, account and privacy shift earlier this month, an awful lot has changed -- as you will no doubt have noticed.

The previous Lockdown Guides have been some of the most popular content on ZDNet to date.

Each gallery guide will walk you through a crucial focus area of Facebook's settings, and will run through every single setting, option and feature available to users, to ensure that your privacy is as protected as it can be.

New guide: This guide is a crucial focus to the remaining guides, showing you how to create lists of friends, such as colleagues and family, as well as a 'limited profile', allowing you to limit updates and uploaded content from those you do not want to share with.

Updated: Believe it or not, your profile settings page is now where your privacy settings are. This guide will walk you through the updated user-interface, as well as the recommended settings for each section of your profile.

Updated: Your account settings are at the heart of your Facebook, and have changed significantly. This guide reflects those major changes, and shows you how to be secure using the world's largest social network. It also helps you manage your data, including a full section on how to manage the applications and games that are connected to your account.

Updated: Everything has changed! Included in this guide are the new privacy features that Facebook rolled out earlier this month, including changes to how you are tagged, and who can share your data. You can also manage your block lists from here, and make sweeping permissions changes to your old posts.

Updated: This guide will show you how to download all of your data, as well as showing you how to manage your BlackBerry and iPhone settings. Also, seeing as your status update window has changed, it will show you how to set locations and tag friends in a safe way, and how to create private events that are limited to your network.

If you want more clarification on a particular feature, check out the related content links below, which cover the new Facebook settings in detail. Or, if something looks out of place (incorrect or broken), then leave a comment below.

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