Background and Objectives People in all walks of life are using digital cameras instead of the traditional film cameras. Reasons include simplicity of use, ease of development, ability to incorporate the pictures into documents, potential to edit the pictures easily, and capability to send them by e-mail. This article will briefly discuss digital cameras, how they work, what they can do, and what you should look for in one.

Editor’s Note This is the fourth in a series of articles demonstrating and describing information technology. The articles include nontechnical information and are geared toward the computer novice with interest in regional anesthesia and pain medicine.