Are they listening?

Available for over a year

Are they really listening to us via our mobile phones and other smart devices? Eavesdropping to find out more about our most personal tastes and habits? Ed Butler investigates whether regular firms are trying to mine our data for commercial advantage. We ask experts what is technically possible in this field and find out whether the data gathered would actually be worth the effort. Presenter / Producer: Ed Butler Image: Smart speaker; Credit Getty