The Internet is essentially a giant copying machine. Every time you send an email, you’re sending a copy of your message to the recipient. The process is more or less the same for every communication that’s made whether we think of what we’re doing as communication or not.

But everything we do online starts with a command which adds up to a message which is stored, duplicated and shared. Our mobile technology does the same thing, and this process enables our devices to generate a constant stream of information about our behavior both in the real world and online. Here are 20 ways technology is tracking you on a constant basis. FULL REPORT