At Facebook's F8 Developer Conference, Mark Zuckerberg announced that the company is improving the way Facebook apps handle access permissions.

Users will be able to decide what permissions they want to give to an app before signing-up and logging in.

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Facebook Login from Facebook on Vimeo.

Apps will also have to explicitly get your permission before they can post to Facebook on your behalf. This is great news and should help build user "trust" in using Facebook as a login tool.

The new Facebook Login will roll out over the next few months.

Anonymous Login

Moreover, Facebook announced Anonymous Login, a new way for users to try out and log into apps. Users can now log into apps without handing over their information as a way to see if it's something they want to use or not.

Anonymous Login isn't totally anonymous — Facebook will know who you are — but the app maker won't. That's good because it means users can login anonymously across devices and applications.

If a user wants to upgrade to a regular Facebook login — to get more customizable options or better features — that can happen with a few taps.

Anonymous Logins are now in beta and are compatible with all current Facebook Login APIs. Facebook is testing the feature with select apps now and will roll it out to more developers in the coming weeks and months.

In addition to the Anonymous Login and better controls over login permissions, Facebook is also redesigning its app permissions dashboard, making it easier for users to alter what permissions they have granted to their apps.