In the future, people might video chat without opening their mouth or tapping their keypads. This might be accomplished through Thought Wave Communication, TWC for short, Video chatters may only need to have a real time connection to communicate freely without saying a word or typing messages. Looking in to each others eyes to start, and after that initial connection was made, looking at each other might not be as important as concentrating. By simply concentrating on someone their thoughts would be heard loud and clear, even if the two speak different languages. This mental connection would work both ways, of course. They say the average person only uses about one percent of their mental capabilities, so, you never know.