A click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/HandoutA click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/Handout
A click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/Handout

Video: Click farms of phantom users flood China’s US$50 billion online advertising market

Up to 90 per cent of the views of some of China’s most popular video sites are fake, according to state media reports.

Topic |   Internet
A click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/HandoutA click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/Handout
A click farm in Thailand, where scores of mobile phones are strung together to provide digital signatures that mimic the real responses of users. Photo: SCMP/Handout
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