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. Photography has many uses for both business and pleasure. Modern digital cameras have comparable noise/grain at the same ISO as film cameras. There are photography articles and guides. Instant cameras and commercial film development at reasonable prices helped cameras become a part of almost every household. There is lots of information here for anyone with a personal or professional interest in photography. Many photographers agree that the commercially produced cameras were the single biggest drive to popularize the art form. 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. You have many options when it comes to a career in photography, depending on your own personal interests. "One picture is worth a thousand words," which has an interesting basis in the history of photography.