Watch Toxic Sludge is Good For You (1970) : Full Movie Online Free While advertising is the visible component of the corporate system, perhaps even more important and pervasive is its invisible partner, the public relations industry. This video illuminates this hidden sphere of our culture and examines the way in which the management of "the public mind" has become central to how our democracy is controlled by political and economic elites. Toxic Sludge Is Good For You illustrates how much of what we think of as independent, unbiased news and information has its origins in the boardrooms of the public relations companies.