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I know what you're talking about. It's to do with localization/language.

Go to System Preferences.

Then click Language & Text

Then click the Input Method Tab

Tick the box at the bottom right - show input menu in menu bar.

Then you'll get a lovely flag in the top corner. Which is incidentally right where Gerrard is going to put the ball tomorrow. A 30 yard screamer in the top corner! ;)
 
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