Back Up and Archive

An old printed photo is often precious because it’s the only copy that exists. But the print might be in bad shape. If you have the photo’s negative, you may be able to make a new print—but what if the negative is no longer available? If the prints and negatives are accidentally thrown away or damaged, that particular image is gone.

In the digital age, that type of scarcity isn’t as much of a problem. You can easily make hundreds of digital copies of a photo, transmit the image around the world with a click, or send the file to a drugstore and have inexpensive prints made.

And yet, digital photos suffer from a different type of scarcity: no matter how easily they can be reproduced, bits are fragile in a way that paper or ...

Get Take Control of Your Digital Photos, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.