Sleeveface

 I'd love to do this with my students if any of them understood it when I refer to an album or record cover.  Usually I get, "Are you talking about CD's Mr. G?" or "Album? You mean like a picture album?" This conversation usually then degenerates into me calling them "young and ignorant" and them responding with taunts about me being "ancient and senile".

Click on over to Accidental Mysteries to see a whole series of these shots.

[Image captured from Sleeveshot: Accidental Mysteries: http://accidentalmysteries.blogspot.com/2010/02/sleeveface.html]