This is a good start, but it's all analysis from the outside looking in. The author is probably right about the overall structure, but there are already a few t

This is a good start, but it's all analysis from the outside looking in. The author is probably right about the overall structure, but there are already a few things that have come out since he posted this (it's dated last week, probably right before Steve Jobs' passing): Relationships, such as "my wife" are not actually something you type into new fields in the address book. You actually tell Siri yourself, in what appears to be a sort of natural-language @define statement. Once a much larger audience has been playing with Siri for a few weeks, we should start to get a much clearer picture.