YouTube employs more people to identify extremist video content

YouTube employs more people to identify extremist video content

"Some bad actors are exploiting our openness to mislead, manipulate, harass or even harm", Wojcicki said, adding that YouTube's trust and safety teams have reviewed almost 2 million videos for violent extremist content over the past six months.

YouTube will also expand its number of reviewers that check to make sure ads run next to appropriate videos.

According to Wojcicki, YouTube spent a year ago "testing new systems to combat emerging and evolving threats" and invested in "powerful new machine learning technology", and is now ready to employ this expertise to tackle "problematic content".

This is helping to train the company's machine learning technology to identify similar videos, which is enabling staff to remove almost five times as many videos as they were previously, she said.

This is the second statement in a month from Google about efforts to remove extremist content from YouTube.

Wojcicki also revealed that 98 per cent of the videos the platform removes for violent extremism are now flagged by its machine-learning algorithm.

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Wojcicki said the company would take "aggressive action" by launching new comment moderation tools.

Wojcicki said they have developed a "computer-learning" technology that helps them to quickly identify and then remove radical content on a site that has hundreds of minutes of video uploaded each minute, according to the report.

Google (GOOG, GOOGL) will have 10K people reviewing and flagging content across its platforms by next year to teach AI how to do the job better.

It said adverts for major brands were appearing alongside some of the videos, which led to several big brands including Mars and Adidas pulling advertising from the site.

"Because we have seen these positive results, we have begun training machine-learning technology across other challenging content areas, including child safety and hate speech", she said.

Google will increase the number of its teams identifying and removing extremist content, hate speech and child cruelty from its YouTube channels following allegations of profiteering amid the failure to remove unsuitable footage. "But no matter what challenges emerge, our commitment to combat them will be sustained and unwavering".

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