Asaf Bartov, 07/03/2014 22:49:
Another version of this that has been tried by WMF,
more similar to
Charles's second suggestion, is documented here:
https://en.wikipedia.org/wiki/Wikipedia:Geo-targeted_Editors_Participation/…
Uh. Thanks for linking. Being on en.wiki, basically orphan and
uncategorised, it's impossible to find.
Nemo