The difference is conflict, an important yet overlooked aspect of all good communications.
David Meerman ScottYou can buy attention (advertising). You can beg for attention from the media (PR). You can bug people one at a time to get attention (sales). Or you can earn attention by creating something interesting and valuable and then publishing it online for free.
David Meerman ScottDon't start by talking about your products and services instead think about the people you are trying to reach
David Meerman Scott