Companion gist for blog post: Mapping currency strength changes with D3
Displays currency strengthening or weakening against other world currencies, between a reference date in the past and today.
Try it out - click to change the base country, use the picker to change the reference date. Data is available from the start of 2000.
Uses ES6 features, so you need a modern browser.
World map: https://github.com/topojson/world-atlas