Due to the tool being profiled in this post being discontinued it has become irrelevant.
However you might find this more recent post on a Mapping Service more helpful.
About Darren Rowse
Darren Rowse is the founder and editor of ProBlogger Blog Tips and Digital Photography School. Learn more about him here and connect with him on Twitter, Facebook and LinkedIn.
I’ve had this for a few weeks now and although i’ve only had about 20 different people visit my blog, it’s kool being able to see where they come from!