I believe the flow of interesting things to people who would be interested in them is not currently as effective as it could be. I also believe (a) that such a system could be built and (b) it would have important implications for society.I will now attempt to describe what such a system could look like, and some of the ways it could impact society.Think of such a system as containing four layers.On the first layer you have 'knowledge for knowledge's sake'. These are things you're interested in