Facebook is changing its like button, after its own research suggested people favoured the thumbs up logo as opposed to the stylised letter F logo.
They say their investigations “revealed an increase in engagement” with the new design.
The social network is releasing new tools to help developers build social interaction on their sites, including updating the follow and share icons.
Around one in three Facebook likes now comes from a mobile device.
Last week Facebook withdrew the ability for video creators to embed links into their clips.
The call to action [CTA] feature had been popular with broadcasters, who used it as a way to steer users to their own sites.
The change in policy was made earlier this month without warning.
Experts say the decision is another illustration of the power that Facebook now has over how the public reads and watches the news.
According to a recent study, 28% of people in the UK use Facebook as a news source at least once a week, with that figure rising to 41% for the under-35s.