Twitter announced in mid-November that beginning December 18, it would consider account user behavior "on and off the platform" when deciding whether to close down an account, as part of an effort to "reduce hateful and abusive content".
"This includes, but is not limited to, threatening or promoting terrorism", the rule continues.
Twitter is tackling the major hate speech problem plaguing its platform.
Fransen hogged the global limelight when US President Donald Trump retweeted in November some of her posts featuring controversial anti-Muslim videos.
"If Twitter starts banning people who are affiliated with organizations that use or promote violence against civilians to further a cause, that's tantamount to prohibiting certain opinions: a very new policy for a platform that used to be known as the 'free speech wing of the free speech party, '" Benesch said.
Twitter suspended the accounts of well-known white nationalists Monday, moving swiftly to enforce its new rules aimed at reducing what it deems abusive content.
Users can now report profiles or users that they consider to be in violation of Twitter policy
A number of prominent far-right accounts, including the white nationalist American Renaissance and its founder Jared Taylor, the neo-Nazi Traditionalist Workers Party and white nationalist group Vanguard America were suspended on Monday.
If a user posts hateful symbols or images, it must be marked "sensitive media".
He said Twitter determined his account was "affiliated with a violent extremist group", an allegation he denied.
The white nationalist Richard Spencer, whose account was not suspended, tweeted that he had lost more than a hundred followers in the past 24 hours and noted that he didn't "see any systematic method to the #TwitterPurge".
Muslim Advocates, which also sits on Twitter's Trust and Safety Council, told the company in a letter that Britain First was trying to "perpetuate and fuel hatred and fear of Muslims".
Twitter started enforcing new abuse policies Monday by suspending accounts that violate the terms. Content that glorifies violence or the perpetrators of a violent act is also in violation of Twitter policies. In our efforts to be more aggressive here, we may make some mistakes and are working on a robust appeals process.
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