The document discusses a pill camera, which is a small, capsule-sized camera that can be swallowed to examine the gastrointestinal tract. It describes how the pill camera works, including how it is administered and how images are transmitted. Key advantages are that it provides detailed images of the entire digestive tract without pain or sedation compared to other examination methods. Potential disadvantages are that it is expensive, can become stuck, and doctors have limited control over its movement. The conclusion states it is a pioneering medical technology that has revolutionized diagnostic imaging.