The Pentagon Papers<span>, officially titled </span>United States – Vietnam Relations, 1945–1967: A Study Prepared by the Department of Defense<span>, is a </span>United States Department of Defense<span> history of the </span>United States<span>' </span>political-military involvement<span> in </span>Vietnam<span> from 1945 to 1967. The papers were released by </span>Daniel Ellsberg<span> who had worked on the study, and first brought to the attention of the public on the front page of </span>The New York Times<span> in 1971.</span>
I'm almost certain the answer is more than 30%
The main reason why mass media is more effective in forming public opinion today is because of "globalization", which allows media outlets to obtain very reliable information from all across the globe at an unprecedented speed.
