The document summarizes the early history of animation, starting with the zoetrope in 180 AD. It describes several early animation devices from the 19th century like the thaumatrope, phenakistoscope, and flip book. The praxinoscope, an improved version of the zoetrope, was invented in 1877. Modern animation techniques described include stop motion animation exemplified by Nightmare Before Christmas, and CGI animation pioneered by Pixar's Toy Story.