Most of our readers are well aware of the fact that the big tech corporations, especially those that run social media know a great deal about us and our behavior. But it rarely hits home how much personal data they have about us and how they can guess, quite correctly, even more. Lots more.
Signal came up with an idea to drive that point home. A simple but very effective idea, nothing short of genius. They bought advertising space on Instagram and showed visitors ads full of the characteristics that were used to target them.