Mark Zuckerberg has long said that making money on Facebook is secondary to the experience of its users. Advertising only serves to enable the social network’s broader mission of making the world more “open and connected”, he says.
But tension is rising among advertisers over their secondary status, as they become frustrated with the lack of premium advertising slots on the site or clear metrics that demonstrate a monetary value of their spending.
Full Story: Advertisers uneasy with Facebook