You know, I do wonder what the map of cell phone and camera sales would look like overlaid onto this...
You tend to get less reports of things in areas with much, much lower population densities. The map is as much a population density map as it is a UFO sighting one
You know, I do wonder what the map of cell phone and camera sales would look like overlaid onto this...
You tend to get less reports of things in areas with much, much lower population densities. The map is as much a population density map as it is a UFO sighting one
There's an XKCD for that
it's basically a population map combined with communication access