You’ve likely experienced a situation in which a thing that you have just learned or has taken your interest seems to appear everywhere. This experience is a frequency illusion often referred to as the Baader-Meinhof phenomenon. Your brain is now applying updated selective attention when navigating life and receiving masses to sensory input. The phenomenon is compounded by a confirmation bias resulting in ignoring any times or situations where the thing of interest does not arise. For example, you buy a Vauxhall Astra. Suddenly, everyone seems to have the same car! Your friend’s Mum, your colleague, the guy from the gym with whom you occasionally talk. It’s all over the place! All of the other cars around you are being filtered out. As are all of the other people who don’t have that car. You’re certain the car must be more popular now, but in reality, you likely weren’t noticing it before.