GIS in Excel - Custom Map Regions

A quick video showing how you can use some of the simple drawing tools in PowerPoint to create and name custom map regions for using in Excel.
This is not designed to replace GIS software, rather to show how it can be done for those without access to any more than Microsoft Office.
This is also related to my previous video on applying a theme to the regions based upon your own set of data, be it for customised Sales Region data, shopping centre footfall mapping, tourist attraction visitor analysis, etc