On 10/09/16 20:46, john whelan wrote:

I see to recall that Australia is on the move. So it would seem that we should retain as much accuracy as possible then if we're a metre out it isn't quite so important.

I think any generic addressing scheme is going to suffer from parts of the world moving though and it is a limitation we have to work with. From a practical point of view just grabbing a new address every decade would probably work fairly well.

Cheerio John

I wish an address could be more stable than a decade, as it should be used also in property documents. If it is 2 - 5 meters per century, then it is still acceptable.

I wonder how "three words" services plan to deal with it? Recalculating coordinates behind the scene? But in a century there will be probably no these services, and no Internet as we know it. It is a lot of time. But latitude and longitude will still exist. And it would be possible to recalculate them taking into account the tectonic plates factual movement to prove property rights.

Best regards,
Oleksiy

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