This comment above does a good job of explaining how phone calls are different: https://news.ycombinator.com/item?id=29170649 https://news.ycombinator.com/item?

This comment above does a good job of explaining how phone calls are different: https://news.ycombinator.com/item?id=29170649 https://news.ycombinator.com/item?id=29170649