Internal Facebook emails were published last night as part of a UK parliamentary inquiry into online misinformation.
US software company claims Facebook deliberately helped Cambridge Analytica harvest users' data.
Marketers may think twice about the platform after revelations in The New York Times, according to analyst.
Move has been welcomed by Unilever's Keith Weed, who has led calls for action.
Vasconcellos currently leads Facebook's in-house agency in Asia-Pacific.
Parent Snap expects another fall in user numbers next quarter.
Social platform also posted its fourth consecutive profitable quarter.
Ads are already available on sister Instagram Stories platform.
The social media giant has some tips for brands looking to make the most of the platform's biggest day of
The social media giant enlisted 15 influencers to make short films that push the bounds of the medium.