OpenStreetMap
Something I wrote about OpenStreetMap (OSM)
Spisany wot Jeff Neitzel dnja 2 November 2015 w rěči English. POslednja aktualizacija 4 November 2015… and why it matters to me …
You can read it via Humanity, Geography, GIS, and Open Data if you like.
For the record, I updated this post yesterday.
Cheers & Pax! :^)