Google launches "plus codes": open geocodes for locations that don't have street addresses

In much of the world, addresses are difficult to convey because they refer to locations on unnamed streets, in unnumbered buildings, in unincorporated townships, sometimes in disputed national boundaries (I have often corresponded with people in rural Costa Rica whose addresses were "So-and-so, Road Without Name, 300m west of the bus stop, village, nearest town, region"). (more")