From unrivaled vision science expertise, 2d3 delivers imaging technology to extract, manipulate, combine, create and enhance. We bridge the space between 2D and 3D, between the virtual and the real.

"There was a lot of enthusiasm for our work and for map-making in general, and it was neat to hear all the different projects folks were involved in (sound maps of Chicago neighborhoods, mapping the displacement of poor folk through gentrification, folks from Area Chicago and their web-mapping ideas"

Mapnik is a Free Toolkit for developing mapping applications.

The Shuttle Radar Topography Mission (SRTM) obtained elevation data on a near-global scale to generate the most complete high-resolution digital topographic database of Earth. SRTM consisted of a specially modified radar system that flew onboard the Space Shuttle Endeavour during an 11-day mission in February of 2000.

Geocaching is a high-tech treasure hunting game played throughout the world by adventure seekers equipped with GPS devices. The basic idea is to locate hidden containers, called geocaches, outdoors and then share your experiences online.

The 2010 O'Reilly Where 2.0 Conference - Put Location Awareness to Work