Facebook has announced that it's extending its security options to the mobile version of the social networking site - giving users the option to control their accounts whilst they are out and about.

Within the new options, that are available at m.facebook.com/privacy, you can now:

- Select who can see the content you post by setting the simple control for sharing on Facebook to friends, friends of friends or everyone.

- Fully customise your granular settings, if you want, and have them take effect instantly.

- Read through the privacy guide, formatted for mobile devices.

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As Facebook stories go, this probably isn't the most enthralling. It's hardly likely that they'll bother making a movie about it, but it is good to know that the world's biggest social network is stepping up its security efforts - or, at least, it is making it easier for users to control their data.

The changes are rolling out immediately, so check the site now to see if the privacy control options are available in your region yet.