At the 2015 World Economic Forum, Google chairman Eric Schmidt discussed the Internet of Things, (IoT), saying, “The Internet will disappear. There will be so many IP addresses, so many devices, sensors, things that you are wearing, things that you are interacting with, that you won’t even sense it.”

This increasingly connected world promises consumers will live better informed, healthier, safer, and more exciting lives. But there are privacy risks and e-discovery implications as well. IoT devices leave a trail of data and metadata that may have big impact in legal cases. Here are a few examples that illustrate the trend.