Buying a whole album for one song. The death of physical media means anybody can have a much larger music collection—if it’s stored on a computer or a phone it takes up weigh less space than records, tapes, or CDs. The beauty of iTunes also means that you can buy one song. When Apple debuted the service in the early 2000s, it was right after a period where the music industry slowly phased out the single—if you wanted to purchase a hit song by, say, the Goo Goo Dolls or Harvey Danger, you had to spend $16 and get the whole album…which may not have been good because you couldn’t listen to it before you bought it. Today, anybody can buy the songs they want for a buck a piece.