From the article: “Perhaps the best single example of the power of sowing doubt was the decades-long campaign by US tobacco companies to fog the scientific consensus over the link between cigarettes and cancer. As one famous internal memo noted: “Doubt is our product.” Robert Proctor, the Stanford historian who studied the tobacco campaigns, created a new word to capture the tobacco companies’ beguiling success – agnotology, or the process by which ignorance is deliberately produced.”