There is no conversation but a verbal exchange of sentences between two or more people. It is best to stay quiet. The quiet is the real conversation. I noticed that everyone seems to be talking to each other but still not having a communication going between them. It is very true. Have someone secretly tape your conversation and play it back and look for an on going to and fro communication and you will be disappointed. Rightly so.
Consider above as a teaser. The full article is 'coming soon.' Watch out for this space.