Jim Carrey has urged people to delete their Facebook accounts because he believes the company profited from Russian interference in the US election.
The actor announced on Tuesday he was selling his shares in the social network and deleting his account and asked all "other investors who care about the future to do the same".
Carrey claimed that Facebook had "profited" from Russian interference in elections and was "still not doing enough to stop it".
In a statement, Carey said: "For a long time America enjoyed a geographical advantage in the world with oceans on both sides to protect it.
I’m dumping my @facebook stock and deleting my page because @facebook profited from Russian interference in our elections and they’re still not doing enough to stop it. I encourage all other investors who care about our future to do the same. #unfriendfacebook pic.twitter.com/KHWgZzhhmp
— Jim Carrey (@JimCarrey) February 6, 2018
"Now, social media has created cyber-bridges over which those who do not have our best interest in mind can cross and we are allowing it. No wall is going to protect us from that.
"We must encourage more oversight by the owners of these social media platforms. This easy access has to be more responsibly handled.
"What we need now are activist investors to send a message that responsible oversight is needed. What the world needs now is capitalism with a conscience."
Facebook has revealed as many as 126 million Americans may have seen content from Russia-based agents on the site over the past two years.
The social media giant has been criticised for allowing propaganda and fake news to spread on the site and doing too little to remove suspicious news sites.
The US Department of Justice is currently investigating the impact of Russian meddling on the outcome of the 2016 US presidential election.
The country’s intelligence agencies have also been assessing the role of social media sites in spreading Kremlin-backed content.
The Donald Trump campaign’s Russia connections
In November 2016, Facebook’s founder and CEO Mark Zuckerberg dismissed the idea that fake news on the site had contributed to the US election result.
However, at a Congress hearing on November 1, a Facebook representative said: "It’s a much more challenging issue to identify and notify reliably people who may have been exposed to this content on an individual basis."
In December Facebook launched a tool allowing its users to see if they had "liked" content created by Russian-backed fake news sites which have since been shut down.
Many of the pages such as Heart Of Texas, Being Patriotic and Secured Borders were designed to look like they were created by US citizens.
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Russia has repeatedly denied allegations that it attempted to influence the last US presidential election, despite claims by US intelligence agencies that the state attempted to tip the election in president Donald Trump’s favour.
"It is important that people understand how foreign actors tried to sow division and mistrust using Facebook before and after the 2016 US election," the company said in a November blog post.
"That’s why, as we have discovered information, we have continually come forward to share it publicly and have provided it to congressional investigators."