Hello,
I gave a talk at International Cartographic Conference[1] in Dresden
about the cooperation between Wikipedia and OpenStreetMap.
So I updated my slides and perhaps they are interesting for someone:
https://toolserver.org/~kolossos/docs/ICC2013-WP-OSM-white.pdf
Greetings Tim alias Kolossos
[1]
http://www.icc2013.org/?node=46