So the most obvious use of public relations tactics that comes to my mind is the information called "pages" on facebook. These pages whether made by companies or patrons of the topic at hand clearly attracts many people to join and support these organizations through these group pages.
http://www.readwriteweb.com/archives/facebook_big_brands.php
A big theme according to the article was that big brands using facebook as a marketing location is that the organizations need to use communication skills not advertising skills to attract fans and customers through face book. The article continues focuses on the ideas taken from the presentation they witnessed and attempts to expand on them and drive home how marketing on facebook needs head towards engaging the community through communication
