Digital cameras are everywhere. Store shelves are lined with them, and Sunday newspaper circulars are filled with advertisements for them. But why buy one? Well of course if you are perfectly and completely happy taking pictures with your film camera, then don't buy a digital camera. But remember, you have to finish the whole roll, bring the film to the processor, and wait for the prints to come back, just to find out everyone in the "once-in-a-lifetime picture" had their eyes closed. Let's also not forget that you have to pay for the processing and buy film. Oh, by the way, you had better buy a few extra rolls, some for indoors and some for outdoors.So what are the advantages of digital? 1 . No more film! That's right, you'll never need to buy film again. Using a digital camera means that you can take pictures without paying for film or wondering which type of film to buy. 2 . If you are careful with your storage, you will also never run out of film. The PCMC...