Measuring PPC and SEO is relatively straightforward. But how do we go about credibly measuring social media campaigns, and wider public relations and audience awareness campaigns?
As the hype level of social media starts to fall, then more questions are asked about return on investment. During the early days of anything, the hype of the new is enough to sustain an endeavor. People don't want to miss out. If their competitors are doing it, that's often seen as good enough reason to do it, too.