Scanners
Scanners are extremely useful and about as cheap a peripheral device as you can get. They allow you to take images or pages of text and input them, in digital form, into your computer—in much the same way as you would duplicate a document on a copy machine. However, even as digital cameras are rapidly overtaking traditional film cameras as the photographic device of choice for the masses, the number of people using scanners to transfer their non-digital images into digital form is slowly decreasing.
Despite this trend, scanners are not in immediate danger of extinction because there are more images around than those you photograph yourself. In some ways, you could even argue that scanners are becoming a bit more common due to the fact ...
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