The Internet Map is one of the all time favorite maps created with the Google Maps API. The map visualizes the 350,000 largest websites in the world.
The circles on this map represent individual websites on the Internet. The size of the circle being determined by the amount of traffic on the website, The larger the amount of traffic, the bigger the circle. The location of websites on the map is determined by the links between sites. The more traffic that is generated from links between different websites then the closer the websites are displayed on the map.