[OSM-legal-talk] [OSM-talk] License to kill

[Richard Fairhurst]

Frederik Ramm wrote:

> I tend to side with OJW on this. You weren't at the last SOTM (hope to 
> see you this time?) but I had a very nice graph of the expected value of 
> OSM data once the community stops working on it, and, what shall I say, 
> I made it look like "life expectancy of mankind after we lose the bees".

Ah, but assuming that "expected value" is uniform across all users is where
you go wrong.

I don't disagree that the value of a five-year old street map of Karlsruhe,
say,  is vastly less than it was at the time. The value of a five-year old
street map of Charlbury, on the other hand, is pretty much the same as it is
now - in fact the map up at the railway station says (c) 2001 on it. And the
value of a 100-year old canal map, when combined with the knowledge of a
subject specialist, is amazingly high.

The very fact that there are 70,000 "source=npe" tags in the database fairly
comprehensively disproves the notion that "maps need to be regularly updated
to stay useful".

cheers
Richard
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