Google Earth was one of the very first pieces of software that I began to create educational resources with. As I put it in one of my first ever blog posts 5 years ago: ”This app won me over straight away.” The engaging environment really struck a chord with me and I remember fondly my first forays into using it to support learning.
http://edte.ch/blog/2011/10/06/google-earth-1-billion-downloads-and-so-many-uses-in-the-classroom/