In real time. canada's university of toronto citizen lab found this out the image of an empty chair commemorating a dead human rights activist simply doesn't go through to chat partners in china. so if a lot of pictures to share with a friend it's immediately compared to a database if it raises concern there the picture is simply not sent the whole process is completely automated with image recognition software while it's technically fascinating the socio political consequences are terrifying she was young says online censorship has massively increased under general secretary xi jinping now th...