The document outlines the timeline of technological advancements in photography and their impact on photojournalism from 1839 to present day. Key developments include the Daguerreotype camera in 1839, the Ambrotype process in 1850, dry plates and flexible film in the 1880s, the Brownie camera in 1900 which made photography widely accessible, the Speed Graphic camera in the 1940s which allowed for high-speed shooting, the compact Leica 35mm camera in 1925, the digital camera prototype in 1975, and camera phones starting in 2002 which enabled instant sharing of photos. These innovations enabled photojournalists to capture and share news stories more easily and efficiently over time.