The document traces the history and development of cameras from 1727 to present day. It highlights several key innovations including the first photograph using silver nitrate in 1727, the first camera obscura in 1814, the Daguerreotype process in 1837 which reduced exposure time, Talbot's invention of photographic copying in 1841, the collodion process in 1851 which further reduced exposure time, gelatin dry plates in 1871 which allowed for delayed development, Eastman's roll film camera in 1888, Land's Polaroid camera in 1948 which developed photos instantly, color Polaroid film in 1963, the first digital camera in 1974 and the release of affordable camera phones and wireless cameras in the 1990s and 2012.