Elizabeth Warren is proving to be an equal opportunist when it comes to taking on social media companies.
On Tuesday, Sen. Warren, who's running for president, slammed Twitter's new ad policy that bans political ads.
In a series of tweets on Tuesday, the Massachusetts Democrat attacked the company for blocking organizations that are fighting climate change from running ads on the social network while allowing ads from companies like Exxon on the same topic.
Her criticism comes a week after Twitter said it would no longer allow political ads on its service, a policy that blocks ads from politicians, ads that refer to an election or candidate or ads related to politically-sensitive issues.
Facebook CEO Mark Zuckerberg has defended his company's political ads policy, saying in a speech at Georgetown University that "banning political ads favors incumbents and whoever the media covers."
This was Warren's first time to publicly go after Twitter's stance on political ads.
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