The playbook of advertising is constantly evolving and in many ways is turning inside out. Facebook has augmented the social web experience in ways we never imagined a decade ago. The amount of content available for immediate sharing is overwhelming. In time, marketers learned that social sites would provide the widest audiences possible, so they started an outbound marketing strategy by flooding YouTube and Facebook with ads. Sounds like a good idea, right?  After all, that is where most people spend their time online. Not necessarily. These channels are a…