Didn't watch till the end, but in the first few minutes it did not show any learning, or did it? That would have been interesting, like SILVIA doesn't know an answer to something, guy explains, SILVIA understands and reiterates in her own words.

I am not holding my breath on this one. Especially, why did they bother to create the face and voice recognition? Seems to me creating good conversations is hard enough, I don't see anybody making a breakthrough in that having spare time to create a pretty talking face thingy.