Response to Question 1.
There are many ways that us as humans can leave traces of important information through the usage of technologies. Example 1: When you purchase something online, you have to fill in your credit card details as well as a postal address to have the item/s delivered. This can be exposed if a hacker was able to gain access to that companies files, leaving that information you provided available to be stolen. Example 2: Using GPS devices can be dangerous as they can keep a record of the locations you visit, which also includes your own address.