https://www.technologyreview.com/s/608561/first-evidence-that-social-bots-play-a-major-role-in-spreading-fake-news/

Computer bot technology was around 10 years ago. I used to satirically claim my autopost bot 2000 wrote half of my posts. Now bots are posting on Facebook daily. The fake news outbreak is at grassroots level but some aim higher. https://www.wired.com/story/internet-freedom-2017/

There are RT sites that are as devious as FOX on steroids.
I have seen in real time the Russian hack of C-span.

Hawaii EBS was just a victim of a wrong button pusher