Yes. We did this one night...We would ask Cortana a question, then ask Siri the same thing...and vice versa. We did this at least 3 or 4 times until it was obvious Cortana was able to provide input/feedback on all of them and was entertaining to say the least. Was interesting to ask Cortana about Siri, and to hear the feedback. Then to ask Siri about Cortana...