Internet notifications play a worryingly crucial role in our lives. Maybe you even got one from the Podcasts app to let you know that the latest Techathlon episode is live. Most of those notifications manifest as simple phone buzzes, but that wasn’t always the case. In the earlier internet days, notification sounds were crucial, They were the Pavlovian stimuli that let us know when we had a message from our friends or an email from our boss. Last week, Blackberry officially shut down its BBM messaging service, and it took its sounds with it. So, pour one out for the late BBM, then fire up the latest episode of Techathlon and take a trip down memory lane.