Journalist Andrew Marantz spent three years embedded in the world of internet trolls and social media propagandists, seeking out the people who are propelling fringe talking points into the heart of conversation online and trying to understand how they're making their ideas spread. Go down the rabbit hole of online propaganda and misinformation -- and learn how we can start to make the internet less toxic.

Andrew Marantz: Inside the bizarre world of internet trolls and propagandists

Inside the bizarre world of internet trolls and propagandists

Emotion, not facts, propels online conversations, a tactic exploited by propagandists to spread fringe ideas into mainstream dialogue.

Internet trolls exploit social media algorithms, using high-arousal emotions to make fringe ideas viral, impacting societal norms.

Propagandists blend high IQ with low EQ, thriving in anonymous spaces that amplify extreme views, leading some to radical ideologies.