In today’s tech-centric world, the majority of our actions center around technology—sitting in front of computers at work, navigating traffic with mobile GPS systems or monitoring our heart rates through wearable devices, to name a few. While there are clear benefits to the endless uses of technology, few people realize all the data that exists on these devices.

What’s more, many don’t realize how that data can be forensically collected and used to prove innocence or guilt in legal matters, making it extremely valuable to attorneys. Here are three types of data most people don’t realize exist, yet could be crucial in litigation:

iPhone Location Settings