1. Society will view these platforms not simply as private independent actors but as key public spaces with broad social responsibility.
2. Some kind of "fairness doctrine" is fairly likely to emerge, as with broadcast TV.
1. Separation of platforms into rabidly partisan blocs (Twitter = left, FB = right?)
or
2. Stringent government control of speech a la China
Both of those seem...undesirable.
Thus, we may need a Fairness Doctrine and not ever get it. Or we may get it, and it may in fact be subtly perverted towards partisan ends.
And one way or another, they -- and the country -- are going to have to deal with that.
(end)