This is a way to listen to changes to wikipedia. You are literally listening to knowledge being added to the world.
Pluck sounds are an addition, strings are subtractions, and the pitch says how how big the edit is. My heart shudders at this I love it so much.
"It’s definitely a shock to go from being 15 in high school to working. There’s no real cushion there. There’s no preparation at all. You learn by doing.”