This document provides an overview of using Google Maps and mashups in the classroom. It describes what maps and mashups are and the three types of mashups. It then discusses consumer mashups and provides examples like RailRadar, which tracks trains in India on a map, and a bird tracking website. It outlines educational uses for these tools and also notes some potential risks of using mashups. Overall, the document conveys that Google Map mashups can be useful educational tools when created for specific purposes.