If photography is authentically art, then photography in the context of art would need redefinition, such as determining what component of a photograph makes it beautiful to the viewer. The aesthetics of photography is a matter that continues to be discussed regularly, especially in artistic circles. Portrait and wedding photography is typically photographs that are made and sold directly to the families of the people in the images. Fine art photography includes photographs made to fulfill a vision, and reproduced to be sold directly to the customer. Landscape photography are photographs of different locations often made to be sold to tourists as prints or postcards. Wildlife photography popularly demonstrates the lives of animals. Photography is used to preserve memories of favorite times, to capture special moments, to tell stories, to send messages, and as a source of entertainment. Photography as a usable process goes back to the 1820s with the development of chemical photography. Photography is a unique and creative medium of self-expression. Conceptual photography turns a concept or idea into a photograph. It is important to note that the differences between film and digital photography are far less significant than the differences between painting and film photography. With the acceptable image quality and the other advantages of digital photography, particularly the time constraints of vital importance to newspapers, the majority of professional news photographers have begun capturing their images with digital cameras.