Dead Media Beat: Polish sound-postcards

*Never heard of 'em. Ever. But they're still for sale at flea markets.

*via Stefan Jones, a maven's maven:

http://www.theworld.org/2010/02/02/polish-sound-postcards/

"Back in the late 60s and early 70s it was difficult to get your hands on American pop music. At least, it was difficult if you lived in communist Poland. But Polish pop lovers found a way to get their fix of Donna Summer or Hot Chocolate. It came in the form of the sound postcard (pictured), a small plastic rectangle covered in g...