That becomes the real question if websites accept plus-codes as valid shipping addresses. How will you know whether or not a mail-system in a remote location w

That becomes the real question if websites accept plus-codes as valid shipping addresses. How will you know whether or not a mail-system in a remote location will even know what a plus code is, and then, be equipped with that technology on an individual carrier basis? Are these just pie-in-the-sky proposals or are people using them now?