Here is a rough ranking of information sources by amount of "user engagement". Books < TV < Video Games <= Social Media The rankings are potentially different

Here is a rough ranking of information sources by amount of "user engagement". Books < TV < Video Games <= Social Media The rankings are potentially different per individual and each information source effects people in different ways. This is my mental model of different user engagement sources. The hard part is where to draw the line and the inevitable fact that pandora is already out of the box.