Didn't we send this image into space?

[andrewducker]

How much do different music formats make?

From

Comments

[usmu.livejournal.com]

Though I have no idea how to read this infographic, I'm thoroughly amused to see the cassette single mentioned. That was one ill fated format from the start as ever there was one. I must have one been one of the very few to actually buy a couple of thess. They must be worth something by now. :)