Only 3% of Facebook's News Feed is ads

Just 3% of the Facebook News Feed is made up of ads, according to a study from social media marketing management company Socialbakers.
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Socialbakers also found that 24% to 29% of the typical News Feed is made up of content from Pages — owned by companies, celebrities, public figures, and organizations.
http://uk.businessinsider.com/socialbakers-finds-3-of-facebook-news-feed-is-promoted-2015-10