Zivush - 6:33 am on Nov 10, 2011 (gmt 0)
Moreover, refer to this interesting article: Siri Gives Apple a Two-Year Advantage Over Google -
Google has Voice Actions, a voice search application for Android. So what’s the big difference? It comes down to semantics, Morgenthaler says: “Siri understands what you mean.” She has a far more precise understanding of what you’re saying and the context you’re saying it in, in other words.