The document traces the history and development of cameras from 1500 to the present. It outlines some of the key innovations and models throughout history, including the 1500 Camera Obscura, the 1839 Daguerreotype camera, the 1900 Kodak Brownie which made photography affordable for amateurs, and the 1937 Polaroid instant camera. The document also speculates about future improvements to cameras which may make them lighter, higher quality, have more memory and pixels, touchscreens, better zoom, and operate on renewable energy.