At the highest-end, some digital cameras are nothing but a sophisticated light-sensing unit. Currently digital photography, disposable cameras and even camera-phones continue to make photography part of our lives. Conceptual photography turns a concept or idea into a photograph. You have many options when it comes to a career in photography, depending on your own personal interests. Wildlife photography popularly demonstrates the lives of animals. Color photography was first explored beginning in the mid 1800s. "One picture is worth a thousand words," which has an interesting basis in the history of photography. If you have a knack for photography, and enjoy doing it, then you might want to think about using your hobby as a way to make some extra money for yourself. Some commercial photographers, and some amateurs interested in artistic photography, have been resistant to using digital rather than film cameras because they believe that the image quality available from a digital camera is still inferior to that available from a film camera, and the quality of images taken on medium format film is near-impossible to match at any price with a digital camera. Other commercial photographers, and many amateurs, have enthusiastically embraced digital photography because they believe that its flexibility and lower long-term costs outweigh its initial price disadvantages. Digital photography has also been adopted by many amateur snapshot photographers, who take advantage of the convenience of the form when sending images by email, placing them on the World Wide Web, or displaying them in digital picture frames. Some commercial photographers, and some amateurs interested in artistic photography, have been resistant to using digital rather than film cameras because they believe that the image quality available from a digital camera is still inferior to that available from a film camera, and the quality of images taken on medium format film is near-impossible to match at any price with a digital camera. Fashion and glamour photography usually incorporates models.