With the exception of the involvement of a webcam, you can't do screenshare without being able to do video. Even if we assume video is irrelevant and screenshar

With the exception of the involvement of a webcam, you can't do screenshare without being able to do video. Even if we assume video is irrelevant and screenshare is everything, you wind up in the same technological position. Videoconferencing is used for a lot of things that don't involve reviewing a document or pair-programming. Many people find video quite helpful for such situations.