Google Docs et al. only offer one aspect of that; all they aspire to do is solve the problem of "collaborative editing of a document" Yes, but it's just the as

Google Docs et al. only offer one aspect of that; all they aspire to do is solve the problem of "collaborative editing of a document" Yes, but it's just the aspect the OP criticizes screen-sharing (as a proxy for present-day technology) for missing. I take your point that these things could be better integrated, though.