My CDD has long been concerned about the human rights and privacy consequences of US companies exporting digital tracking technologies to undemocratic regimes.  Ad Exchanges are the latest example of dehumanizing online marketing services that track users 24/7 and sell the right to target them online in real-time.  Google operates one of the largest of these exchanges through its DoubleClick subsidiary.  Last week, Google launched its Ad Exchange in China, which will have consequences for both its citizens and consumers.  Privacy and human rights advocates and regulators should demand that