Tie a Camera to the Cat’s Neck...
This cool site describes how a guy attached a camera to his cat’s neck, so that on the cat’s return he could see what the cat had been up to. One comment in the attached guestbook does point out that
All the CatCam shows is where a cat goes when he’s trying to get something off his neck.
but reading about the process of getting a camera onto a cat’s collar is interesting enough, let alone getting to look at some of the attached pictures.