Digital Points Solutions offers a free service that tracks and maps visitors to your website over a 24-hour period and then allows you to see by location where you readers come from.  Over the last couple of weeks this has provided me with great enjoyment as I sit down each night and ponder why I'm read by folks in the UK, South Africa and that one person who checks in a couple times a week from Iran.  And I've really got to do something to up my readership from the Rocky Mountains to St. Louis. 

(Click on the map for a larger version)