The vendor you use to classify IP addresses and designate visitor
location changed the name of some of the cities. For instance, what was
"London (England, United Kingdom)" is now "London (London, United
Kingdom)". The change was made October 26, 2012. So any segment that was
build prior to that will not work. And trending or Year Over Year
comparisons are invalid, due to the name change. Also, the new names
make less sense than the old names. Every little snafu like this causes
stakeholders to ...