This is useful - how are most places using it? I'd suggest making a drop-in script or two something like the extensions Stripe has been adding on a bit at a ti

This is useful - how are most places using it? I'd suggest making a drop-in script or two something like the extensions Stripe has been adding on a bit at a time, to make it easy to use this for in-page on-the-fly currency conversion... That is, select your currency from the dropdown, and all prices elsewhere on the page will display in the local currency selected.