Dr. Jon Samet, dean of the Colorado School of Public Health, said the problem of misinformation isn’t new; the tobacco industry created the playbook for disinformation during its long battle to suppress the truth that smoking kills. (Misinformation is unintentionally wrong — think of that person on Facebook who’s convinced drug companies are hiding a cure for cancer — whereas disinformation is something that the spreader knows isn’t right, but chooses to push anyway.)