[Techtalk] Internationalization issues

[Dan Richter]

An O'Reilly interview[1] with the developers of Plone includes this quote:

 > We've been very focused on internationalization from the outset -
 > it's not something you can easily retrofit into your application
 > afterward, as most US companies painfully discover when they try
 > to conquer the EU markets.

Does anyone have experience with internationalization? Besides the 
obvious fact that you can't hard-code any text, what kinds of issues arise?

[1] http://osdir.com/Article199.phtml

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