Twitter on Tuesday revised its strategy for fighting abusive internet ‘trolls’.
It said it would use behavioural signals to identify harassers on the social network and then limit the visibility of their tweets.
San Francisco-based Twitter, known for freewheeling discussions since it was founded in 2006, has been trying to rid itself of harassment out of concern that personal attacks were driving people away.
Twitter’s rules already prohibit abuse, and it can suspend or block offenders once someone reports them.
Users can also mute people they find offensive.
Jack Dorsey, Twitter CEO, said the company would try to find problematic accounts by examining behaviours such as how frequently people tweet about accounts that do not follow them.
It will check whether they have confirmed their email address.
Tweets from those accounts will appear lower in certain areas of the service, such as search results or replies to tweets.
Even if the tweets themselves have not been found to violate any rules, they will apply.
“We want to take the burden of the work off the people receiving the abuse or the harassment,” Dorsey said in a briefing with reporters.
“Past efforts to fight abuse “felt like Whac-A-Mole,” he added.
Tweets will not be removed entirely based on behavioral signals, Dorsey said.
In the tests, the new approach resulted in a four percent decrease in abuse reports originating from search results and an eight percent decrease in abuse reports from the conversations that take place as replies to tweets, according to the company.
Most abuse comes from a small number of accounts that have an outsized impact, said Del Harvey, Twitter’s vice president for trust and safety.
Social media firms including Twitter and Facebook (FB.O) are under pressure to remove bullies, many of whom target women and minorities.
Many women cannot express themselves freely on Twitter without fear of violence, Amnesty International said in a report in March.
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