|This is a network link file that works dynamically based on where you are in Google Earth. When this network link is active, it will show you all of the placemarks on Google Earth Hacks that are in the area of the world which you are currently viewing.|
Specifically, it will show the 50 files closest to the center of your viewing window. The icons representing each file are the avatar of the user that submitted the file.
Please note that if you are zoomed out too far, it won't return any results.