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"We are likely to continue to see a shift in the share of viewing time and advertising revenue towards globally-scaled players and user-generated content platforms like YouTube and TikTok," all within the next five years, according to Kate Scott-Dawkins, Global President for Business Intelligence at media investment company Group M.

Using open-source data and user-generated content, the BBC's analysis of more than 5,000 images identified uniformed security personnel - a policeman and solider - who opened fire killing three unarmed protesters at parliament.

“Fundamentally, this is all about the algorithm,” Claire Wardle, an associate professor at Cornell University and a leading expert on misinformation and user-generated content, told Slate.

Teleperformance replied that its moderators "work diligently to tag and flag user-generated content based on community standards and client guidelines" and that its clients' systems are not set up to allow Teleperformance to remove offending material or report it to law enforcement authorities.

"Social evidence or proof, in the form of user-generated content and glowing reviews, accelerates the spread of the dupe economy, creating a cycle where participants feel empowered to seek out and share high-quality, less-expensive products."