Inserting false content
Fed Wiki inserts modernation into repeating content--a design for trust. Most social media networks make repeating content easy to help sell adverts--clouding trust. page 
Speaking at a conference on election security in Washington, David Porter, the assistant section chief of the FBI’s Foreign Influence Task Force, said that Russia is waging a “brazen and disruptive” operation against the US aimed at dividing the population and undermining traditional sources of information, like the news media, to make room for misleading narratives.
C-SPAN apparently decided against publishing video or transcript of Porters full remarks. C-SPAN
Here's what made it to the newswires.
“Election interference is one of the vectors in this space. It’s designed to degrade confidence at the very foundation of our democratic system and our leaders’ ability to govern,” Porter said.
Social media interferance
“It’s also designed to weaken the adversary from within by identifying existing political and social issues and driving wedges into those fractural lines and [amplifying] them through online manipulation and disinformation in an effort to create an environment of permanent cacophony, unrest and conflict,” he said page