internationalization
Software internationalization is difficult under the best of circumstances, but it always amazed me how often one particular country came up in discussions of internationalization problems: Turkey. For example, this Rick Strahl post from mid-2005 is one of many examples I've encountered: I've been tracking a
internationalization
Internationalization of software is incredibly challenging. Consider this Wikipedia sandbox page in Arabic, which is a right-to-left (RTL) language: Compare that layout with the Wikipedia page on internationalization and localization in English. Now consider how you’d implement switching between English and Arabic in MediaWiki, the software that powers Wikipedia: