Before the invention of photography, significant moments in the flow of our lives would be like rocks placed in a stream: impediments that demonstrated but didn’t diminish the volume of the flow around which accrued the debris of memory, rich in sight, smell, taste, and sound. No snapshot can do what the attractive mnemonic impediment can: when we outsource that work to the camera, our ability to remember is diminished and what memories we have are impoverished.4
