PR or press release marketing isn't anything new. Businesses have been using it as a marketing strategy for a long time. A few years ago I started my first e-commerce company with two friends of mine. One of my partners suggested that we do some PR marketing. Quite honestly, I had no idea what it was. (I knew what the acronym stood for but that's about it.) We spent about $6,000 on a annual license for a PR marketing software program called Vocus. (Vocus is a great PR marketing tool. Basically, its a huge database of media contacts.