Just to give you an idea of the power of free Internet services today, the "SiteMeter" at the bottom of this page offers incredible functionality.
Here is its map of where the last 100 visits to this site came from, within North America. You can also map the whole world or other continents, but other than a few folks in Europe and Singapore, they are mostly dark.
If you're from Monterrey, Mexico or Nunavut, you may recognize your own visit. Thanks to all for coming.
And sleep soundly tonight, knowing what kind of trail you are leaving whenever you visit a website...