Halloween in England used to be a case of shut the doors, switch off all the lights and under no circumstance answer the door to a bunch of ...

Choropleth maps hold a certain fascination for me. More specifically, a fascination with how so many people get them so wrong. They are a ...

(or, recognising forehead-slapping carto-goofs) When I was a University lecturer I was required to create a set of learning outcomes for s...

Recently, I was looking to make a simple but effective webmap on ArcGIS.com to illustrate the use of a new basemap. One of my former student...