- Avoids expensive and clumsy retrofitting at a later stage.
- Avoids or reduces delays in product rollouts world-wide.
- Prevents piecemeal approaches in different regions that lead to
interoperability and maintenance nightmares.
- Is becoming easier and less expensive because of the
'internationalization-readiness' of basic technology infrastructure
(including, of course, XML).
You still need to address internationalization on your level (e.g.
application).