Clustrmaps

ClustrMaps are a very neat and popular widget that graphically displays on a map of the world where the visitors to your blogsite are coming from. It really helps to demonstrate to your class how powerful blogs are in reaching a worldwide audience. Luckily, they’re very easy to add to the sidebar of your site, as this slideshow reveals.

And if the slideshow doesn’t make sense, Clustrmaps themeselves have helpfully put up their own instructions on adding their widget to Wordpress:

http://clustrmaps.wordpress.com/html-setup/clustrmaps-on-wordpress/