Mikel Maron’s blog: building digital technology for our planet

Here find another related blog: Brainoff.com. Mikel is an advocate of open collection and distribution of geographic data, particularly with OpenStreetMap the "free and openly editable map of the entire world". Using Wiki concepts and GPS units, They are rapidly mapping using entirely voluntary contributions.  There are some great examples of participatory mapping on this site, among many other interesting ideas.