This guy made a comment to me once about microchips which really hit home. He said that if you ever lost your pet and they were to die and was picked up by the animal control they would notify you and at least you would have some closure instead of contiuing to hope and pray to find your pet. I've heard that not all areas us the same system, so if your pet is has a microchip and gets lost in an area where they use a different system and they find your dog, they won't be able to read the microchip. I've also heard that they are working on creating a system where microchips can be read anywhere.