This has been on my mind through internships at several major silicon valley social networking companies. There's a line of thinking in the industry that, when

This has been on my mind through internships at several major silicon valley social networking companies. There's a line of thinking in the industry that, when revenue is driven by ad impressions, driving more interactions with your product is the highest goal. This means two things: getting more users (fine) and driving more interactions per user (dangerous).