Yesterday, I got a text message from my cousin asking if my son wanted any CD shelves, because he was getting rid of his. I texted him back “LOL CDs.”Our CDs – thousands of them – are stacked on a floor to ceiling shelf unit in the garage. All those compact discs have been ripped onto the various computers in our house, shrunk down to invisible little bytes that take up no space in the house. All of our subsequent music has been bought in digital form (save for my occasional vinyl purchases).If there was any doubt that the compact...