Maps elsewhere: The BBC's map of the week
This had flown under the radar until now: bbc.co.uk editor Mark Easton's blog also has a Map of the Week feature. His version is based on embedded .gifs, but the concept is similar.
Check out these maps of shifts in global wealth over the last 2,000 years. I respect a man who takes the long view.
The BBC's blog template doesn't seem to allow for tags, but there is an archive of sorts here.