Echo chambers, Dunning-Kruger, misinformation, and conspiracy theories. These bad parts of social media are what pro-vaccine advocates battle daily and are the subject of this episode. Nathan and Karen talk to Dr. Jen Golbeck, director of the Social Intelligence Lab at the University of Maryland, College Park. (Plus, hear our new intro!)Find our NIAM t-shirts at cafepress.com/voicesforvaccines