Eat your camera
As reported by CNET News, the South Korean semiconductor manufacturer MagnaChip is now producing a camera the size of a pill, that will take two full-color photos a second as it slowly makes its way through your intestinal system. (It eventually delivers a total of 50,000 photos, in its eight-hour journey from your mouth to your...well, you know.) Images are then beamed wirelessly to a portable hard drive the patient wears on their belt throughout the day.
Next: trillions of microscopic "warrior" nanobots floating in our atmosphere, able to sniff out competitors of the Nissan-AOL autonomous citystate and instantly kill them! Oh, no, wait, that's a Neal Stephenson novel. Never mind.