The system is run by two companies, Alibaba and Tencent, which run all the social networks in China and therefore have access to a vast amount of data about people’s social ties and activities and what they say. In addition to measuring your ability to pay, as in the United States, the scores serve as a measure of political compliance. Among the things that will hurt a citizen’s score are posting political opinions without prior permission, or posting information that the regime does not like, such as about the Tiananmen Square massacre that the government carried out to hold on to power, or the Shanghai stock market collapse. It will hurt your score not only if you do these things, but if any of your friends do them.” And, in what appears likely the goal of the entire program, added, “Imagine the social pressure against disobedience or dissent that this will create.”