Las Vegas will be inundated with 150,000 tech geeks this weekend flocking to the Consumer Electronics Expo, brimming with dazzling technologies that promise tremendous new convenience, but also raise new questions about our legal rights in the digital age.

With connected devices now ubiquitous, the walls around us have eyes and ears. Trusting them to make our lives better, we give them a great deal of private information. Your bank account, your credit card, your passwords, your messages and even your dating profiles are right there on your smartphone. Microphones, cameras, GPS and other sensors on our smartphones work in the background to collect data we may not want others to see.