Shouldn’t we take each address and send them a post card with a photo from the camera and let them know the camera is hacked? Use one of the many “postcard api”’s to automate it and it should actually be pretty fun. You could raise the money perhaps and include a QR code that takes people to a web addresss to help them fix the specific web camera model detected at their address. Any marketing:development agency could bankroll this and enjoy some free press