How an online wedding registry in my name appeared out of thin air

"Arvind Narayanan, a computer science professor at Princeton University and an expert on internet privacy, correctly captured my angst when he told me that privacy “is not so much secrecy, but the ability to control how we present ourselves in the world.”

The whole thing is creepy, but it also serves as a stark reminder that our personal information is floating around the ether for companies to use. “There are a million different ways in which different aspects of your activities are observed and put into databases,” Narayanan said."