They are able to due this due to mathamatics and other technological means. Ritchin points out how photographers are responsible for capturing images at multiple views. The media then has their pick as to which image best portrays the ideas they are trying to get across to the public. Through the use of technology photography is constantly being perfected. Photographers have the power to take out objects that take away from the photograph as well as add things that increase the message the image is trying to send.
Electronic photography expands the role of the photographer.
The image that is shown varies according to the message it is trying to state. Sometimes the simpliest image sends the biggest message. The arrangement of passport size photographs of those who died in Vietnam was extremely powerful. It was arranged like a high school year book reminding people that these soldiers were young men who died for our nation. The computer allows photographers to create images that never would exist.