I Tried Hiding From Silicon Valley in a Pile of Privacy Gadgets

"Ryan Calo, an assistant law professor at the University of Washington and an affiliate scholar at Stanford’s Center for Internet and Society, says that what my wife knows about my whereabouts is trivial compared with what most of the companies named above know. “In the early days of Nest, some of the employees would try to figure out where another employee was, and they’d look at the network to see if that person was home or not,” he says."