I did. I would just be heart broken if Murphy was lost or stolen. Our vet told me that 5 years ago they only had about 1 or 2 dogs per year brought in by people that had found them, wanting to get it checked for a chip and there by locate the owners. But now he says that they get 2 or 3 a month. So I thought that I would hate it if he was lost and could be id'd but wasn't able to. Plus I know a lady who had her dog stolen but returned from almost 500 miles away, when the new owner took it into their vet and the chip showed up. New owners had bought the dog for a pretty penny, but had no idea it was stolen. But I do understand why some people don't like them. I was not totally comfortable with it myself. I fear next it will be people being chipped. But I don't believe that dogs know that they are being tracked. Mine doesn't even know his is there, and it was put in at the same time he was neutered. So he didn't even feel it.