This is not going to happen today or tomorrow, but someday in the future, in order to save driving time, I might occasionally set up an experimental ESL lesson over the web. I used to Skype with friends, but I found out how dangerous that can be to my computer system, since Skype does not have its own network of servers to use. Because they do not, I found out, Skype uses computers of its members to carry the program, leaving me vulnerable for hacking AND, even more importantly, slowing my system down during Skype's busiest times.
Google, however, has the same VOIP, with their own servers,...