Who Knows What About You? Data, Privacy, and Your Digital Footprint

Here is something worth thinking about. You search for a new pair of trainers once. The next day, adverts for trainers seem to follow you across every website and app you open. How did that happen? Did someone read your mind — or read your data? Before we dive in, think about this: every time you use a device connected to the internet, you leave traces behind. Those traces are worth a lot of money to some companies. Today you will find out exactly what those traces are, who collects them, and what you can do about it.