An update on China's ongoing mass surveillance efforts in Xinjiang and how personal data is being used against the Uighur community.

BuzzFeed News correspondent Megha Rajagopalan discusses China’s policy in Xinjiang, the future of surveillance technology, and social media’s effect on geopolitics.

BuzzFeed correspondent Megha Rajagopalan discusses how reporting in China has evolved and the particular challenges she faces there as an Indian-American journalist.