Mind-reading tech: how private companies work to gain access to our brains

It's raining on your walk to the station after work, but you don't have an umbrella. Out of the corner of your eye, you see a rain jacket in a shop window. You think to yourself: "A rain jacket like that would be perfect for weather like this." Later, as you're scrolling on Instagram on the train, you see a similar-looking jacket. You take a closer look.