On the deflation side, social networks can get less cool as more people join. The canonical example here is what happened to Facebook when parents started joining: all the young people left for Instagram and Snapchat. Social networks need to be analyzed based on more than their network effects... There are three axes for analyses: Social Capital, U... See more

The usual cycle with social media sites is that they start out being very flexible and open, and are happy to have users even if those users are sharing content that sends other users off-site. But, over time, they try to get more content hosted on their own systems, and to promote it more relative to the competition. Google, while not a social pla... See more