A number of countries run these types of programs. https://en.wikipedia.org/wiki/State-sponsored_Internet_propaganda https://en.wikipedia.org/wiki/State-sponsor

A number of countries run these types of programs. https://en.wikipedia.org/wiki/State-sponsored_Internet_propaganda https://en.wikipedia.org/wiki/State-sponsored_Internet_propa... All promote their own propaganda and many also attack their rivals via sock puppets. As far as I know the only country using trolls to push general unrest is Russia.