A few months ago, John Keefe wrote a Poynter.org How To about using shapefiles. The power of the shapefile, he wrote, is the ability to refer to regions instead of points. But what if your data has ...

GeoCommons is a web service that hosts an open database for sets of geodata anyone can mash together to create custom maps. That's sort of a mouthful, but the screenshot above shows an excellent and ...

MacFamilyTree – MacFamilyTree has released an update which includes Google Earth support. You can reveal places from your family tree in Google Earth. Interesting ...

Online map mashups are about to get a whole lot more sophisticated. A startup in Arlington, Virginia called FortiusOne (based on technology out of George Mason University) is developing a service ...