Doubt is our product, since it is the best means of competing with the ‘body of fact’ [linking smoking with disease] that exists in the mind of the general public. It is also the means of establishing a controversy…if we are successful in establishing a controversy at the public level, there is an opportunity to put across the real facts about smoking and health
1969 Brown & Williamson (B&W) document http://tobaccodocuments.org/landman/332506.html