The latency on videoconferencing still needs to be reduced. A ping between SF and NYC is around 62ms?
But with all of the half-interruptions, the interjections of "you go" - "oops, no wait, you go ahead", it feels like a good 300ms of latency.
The conversations do not feel natural at all.
John Carmack was speaking about this the other day in his Oculus talk.