Leandro Reis, Senior Globalization Program Manager at Adobe, recently wrote up a tremendous synopsis of the world-readiness of online map services on his blog.
The heart of internationalization and localization is location (or locale, geography, place, etc). Maps represent this at the purest form. From user interfaces available in 57 languages on Google Maps to units of measurement, each little piece of information pertaining to a specific locale is taken into consideration. Reis’ article highlights the intricacies of how each map service interacts with the user.
See World-Readiness of Online Map Services on Leandro Reis’ World-Ready blog.