Introduction

If you’re like most Americans (indeed, like most residents of civilized countries today), you own at least one digital camera. It may be an easy-to-carry point-and-shoot model, a fancy-shmancy (and quite expensive) digital SLR, or it may be something in-between. Maybe you purchased it a few years ago, when it meant a lot to have megapixel capacity, or more recently when even the lowest-priced models shoot pictures of 5 megapixel or higher resolution. Your camera may be a Canon or a Fuji or a Kodak or a Nikon or a Sony; it may be black or silver or even pink.

The point is, you have a digital camera, and you use it—probably a lot. You use it to shoot vacation pictures and graduation pictures and pictures of your growing family and ...

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