Facebook is expected to announce an ad-block policy sometime this week, according to sources familiar with the matter.
The policy would require Facebook to provide users with a clear opt-out, and it would also require the social network to take action against ads that don’t comply.
The news comes as Facebook has begun pushing more aggressively into mobile advertising in recent months, pushing the social media giant to begin using ads for smartphones and tablets.
The changes are expected to include ad-targeting tools, which allow advertisers to target their ads to specific users based on what they’ve shared on the site.
A Facebook spokesperson said that it would not disclose specific details about the plan until the policy is made public.
The policy announcement follows a recent series of revelations about the company’s practices and the extent to which the company is engaging in censorship.
A report published by the Guardian earlier this month alleged that Facebook is systematically censoring posts in violation of its own terms of service, as well as those of other sites.
Facebook has also been accused of manipulating user data to target ads based on political views and other sensitive information.