Robbie tells the story of a slightly interesting thing that happened to him on Facebook the other day.
Here’s the (minimal) section of wikipedia on the Baader-Meinhoff phenomena, AKA the Frequency Illusion:
https://en.wikipedia.org/wiki/List_of_cognitive_biases#Frequency_illusion
And the article on Shazam and the Mandela Effect:
http://www.newstatesman.com/science-tech/internet/2016/12/movie-doesn-t-exist-and-redditors-who-think-it-does