Facebook limits the use of the “listen” action to pre-approved music applications.

Whenever you begin a new promotion on Facebook, create two posts and compare their performance. Keep the one that does better.

Have you ever wanted to untag a Facebook photo using an iPhone? Now you can, using the free application PhotoBox.

The more friends you have on Facebook, the less you pay to watch the online stream of Andy X.

The more friends people have, the greater the potential for viral marketers for via word of mouth messaging on the site, so it makes a lot of sense for Facebook to prompt people to respond to unanswered friend requests.

Facebook extended its single sign-on and deep-linking options to native iOS applications for the iPhone and iPad, enabling them to be more easily discovered by mobile users of the social network.

Facebook may announce a complete overhaul of its premium ads at next week’s invitation-only Facebook Marketing Conference in New York.

Facebook’s lead in online display advertising sales could be short lived, as Google’s business is growing faster than anticipated.

Whether or not timeline for pages enters beta testing at the end of the month remains to be seen, but in the meantime, we asked Want Vice President of Sales Greg Links what he recommends that retailers do on the social network.

Social commerce solutions provider Sociable Labs announced the rollout of EverShare, an all-in-one solution that allows online retailers to take advantage of frictionless sharing initiatives on Facebook, including open graph, timeline, and ticker.