Before the mp3 there was the CD, before the CD there was the cassette, before the cassette there was the 8-track, before the 8-track there was the record, before the record there were player pianos, before player pianos there were pianos and organs and sheet music and hands. What prejudices do I hold regarding the format my information comes packaged in? How do those prejudices inspire the guilt and anxiety I feel about the objects and texts I put before my daughters to view, listen, and read?