conflicting points of view it can determine the opinions of the population. We do not know much about how this monopolistic effect really works, but it is important to note its singularity. No inference should be drawn regarding the effects of radio as such. It is often forgotten that Hitler did not achieve control through radio but almost despite it, because at the time of his rise to power radio was controlled by his enemies. The monopolistic effects have probably less social importance than is generally assumed. Professor Lazarsfeld’s helpless unawareness of the nature and effects of radio is not a personal defect, but a universally shared ineptitude. In a radio speech in Munich, March 14, 1936, Hitler said,