Chinese officials reportedly installed a surveillance app on tourists' phones
The app may extract emails, texts and contacts, as well as info about the device.
China's Xinjiang surveillance is the dystopian future nobody wants
Monitoring tech pioneered in the region is spreading across China and the world.
China uses facial recognition to monitor ethnic minorities
The geo-fencing system alerts authorities when targets stray beyond a "safe area."
China accused of 'unjustifiable' DNA sample collection
Blood, fingerprints and iris scans have been taken from residents in Xinjiang.