Until recently, most of our personal activities were easy to keep private, and unearthing the details required at least some effort on the part of those seeking our information. Today, however, with the advent of social media and surveillance technologies, along with the movement of many aspects of our lives into the digital realm, our data has become more widely available and more public. Between emails, web browsing, phone calls, CCTV cameras, social media posts, and online transactions, we can be tracked by private companies as well as our government. But, how much of this tracking is even legal? Cyrus Farivar has written a great book, called Habeas Data, that examines 10 pivotal legal cases that have shaped our current rights related to privacy and…