YOU LIVE IN AN AGE IN WHICH OLD careers disappear and are replaced by new ones on a constant basis. Have you used a printed paper map lately? They are rarely used today, because the paper-and-ink cartography of the past has given way to the geographic information systems of today. Often referred to simply as GIS, GIS applications, or GIS platforms, geographic information systems enable us to find our way around the modern world. From the Google maps...