The Google Earth Blog recently started a new series of posts called Google Earth A to Z. Each post will explain an aspect of Google Earth that begins with a different letter of the alphabet. Today's post is about Borders and Buildings in Google Earth. The Google Earth Blog is one of my go-to places for tips, ideas, and the latest news about Google Earth. If you're looking for expand your knowledge of Google Earth, I encourage you to follow their new series Google Earth A to Z.