Every responsible dog owner puts a tag on their pet’s collar, but being careful about what information you inscribe on a tag is important. Michelle Kimball got a text out of the blue from a total stranger trying to chat her up. When she asked how he got her number, he told her he got it off her dog’s collar when he was petting the German Shepherd while it was on a walk with Michelle. Never put your home address on the collar, just a phone number.