Last year, Steve Sande and I put together a "What can you say to Siri" post while working on "Talking to Siri: Learning the Language of Apple's Intelligent Assistant". This year, we followed up that post with an iOS 6 version of "What can you say to Siri" and then an International version covering German, Japanese, and French.
A number of readers asked if we'd expand to other languages once we could