China mines social media sites including Twitter and Facebook to equip its military and government agencies with data on Western targets, bidding documents reveal - China is mining social media sites, including Facebook and Twitter, to harvest data on foreign targets to be used by its military, police and other agencies - Bidding documents and contracts reviewed by the Washington Post revealed costly purchases of sophisticated data surveillance systems - The new software will allow the Chinese state to ‘better understand the underground network of anti-China personnel’ - The nation’s leaders are also forming a network of warning systems that...