China is turning a major part of its internal Internet-data surveillance network outward, mining Western social media, including Facebook and Twitter, to equip its government agencies, military and police with information on foreign targets, according to a Washington Post review of hundreds of Chinese bidding documents, contracts and company filings.
China maintains a countrywide network of government data surveillance services — called public opinion analysis software — that were developed over the past decade and are used domestically to warn officials of politically sensitive information online.