GE Grids

Thanks to Mark Brandon for the tipoff to this article on land use change...

Using Google Earth to map land use changes in East Africa "free, simple, transparent " #OA http://t.co/G5xftTdPEd

— Mark Brandon (@icey_mark) July 10, 2015

My interest was piqued by the mention of GE Grids.
This is described as follows:

 GE Grids is the first free, customizable creator of raster datasets for use with Google Earth. GE Grids creates a user-defined, interactive grid (raster) overlaid on Google Earth image data. This tool circumvents expensive, specialized programs and knowledge, and enables easy use of Google Earth's high-resolution data to create localized datasets.

I need to explore this I think