Marketing, Public Relations and Advertising is a three pronged strategy, used by companies and business houses to get their message across to the public. In the words of Mr. Atul Dev a veteran Public Relations specialist � �It� �s extremely important for companies to recognise their publics� �. � �Publics� � is a jargon limited to Public relation professionals. It� �s more encompassing than the term target audience and includes all possible stakeholders, of a company. This is where PR differs in spirit from Advertising and Marketing. Unlike its mercantile motivated cousins, PR is not used to sell, but get the name and message of the company resonate with the publics. So when and how should one use these mediums? The answer basically depends on what you are trying to accomplish. It is the situation, which dictates whether you should use Marketing, Advertising (and public relations) together or separately.
The main difference between Public Relations and Marketing is the extent to which the intended message can be controlled. When, where, and how an ad is placed and runs is perfectly controllable. So you have the option, of placing of placing your ad on T.V, radio and newspapers. If the ad is well received, you can decide to prolong it (with or without variations) or simply pull it off, if reactions are contrary to your expectations.