Facebook has launched Call-to-Action Units for Instant Articles, giving publishers more bang for their buck.

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Publishers can now add CTA units, including Page Like and Email Sign-Up, using a self-serve creation flow.

Once posted, they can access insights on the performance of these CTA units.

More to come

Facebook says Slate used the Email Sign-up CTA, which accounted for 41% of their newsletter list growth over two months.

While The Huffington Post used the same unit, which generated 29% of the HuffPost Morning Email sign-ups over three months.

And there's more to come. Facebook says it's currently developing new CTA units, including Free-Trial and Mobile App Install. 

To find out more visit media.fb.com.

What sort of CTA units would you like to see? Let us know in the Comments.