-Discussions of intrusions into US infrastructure by Russia which, curiously, always engender enormous political controversy.
-Manipulation of social media for political ends both manual and automated.
-Policy changes on net neutrality proposed by the president elect or others.
-Governmental surveillance as is and as likely to evolve.
-Trolling as a political tool to disrupt opposing communities.
One level up, there is also the possibility that calm well informed discussion is the exact thing that is targeted for destruction. But perhaps this week's experiment will take some steps towards thinking about that.