Marianne Shaneen

The Peekaboo Theory

1825: U.S. postal service creates a dead letter office

1825: Persistence of vision shown with the pre-cinematic
Thaumatrope, a disk with an image on each side:

bird, wings up on one side and down on the other.

eye, lids open on one side and closed on the other.

when rotated rapidly, the observer perceives

an eye opening and closing or, a bird in flight