by Nectar Gan in South China Morning Post, apr 14, 2017 China’s popular instant messaging app WeChat is filtering not only keywords, but also images deemed sensitive, without users’ knowledge, according to researchers in Canada. The findings from the University of Toronto’s Citizen Lab came after its researchers studied how the app removed discussions and posts concerning a nationwide crackdown on rights lawyers and activists in China. There has been anecdotal evidence of picture filtering…