Facebook Expands Like Button Functionality with Iframe Commenting, Multi-Page Publishing

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By Eric Eldon Comment

Developers have been able to add commenting to Like buttons since April, if they have used the XFBML implementation of the social plugin. Today, anyone using the iframe version can also add commenting.

That’s one of a few upgrades that the plugin is getting, Facebook said today. The company explains that to get commenting in the iframe, you should use a standard layout at least 450 pixels wide.

Another key new addition is the ability for administrators of Open Graph Pages (a web page with a Like button on it) to publish to multiple Pages at once using the Graph API. Previously, you were just able to publish to people who had liked a single page, one page at a time. The result is that marketers and other Page owners can now more quickly broadcast to a wider range of people’s news feeds.

Finally, the company is allowing analytics parameters to help make Like button activity easier to track.

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