“I never understood why people put all their information on those sites. It used to make our job a lot easier in the CIA.”
“Of course, that’s why I created them.”
“You telling me you invented online social networking Finch?”
“The Machine needed more information. People’s social graph, their associations, the government had been trying to figure it out for years. Turns out most people were happy to voluenteer it. Business wound up being quite profitable too.”

— Person of Interest, 29 March 2012, “Identity Crisis”