Quite true. And going beyond ratings and prior knowledge, are the recommendation engines that may also create some networking effects. Also, an anti-thesis for

Quite true. And going beyond ratings and prior knowledge, are the recommendation engines that may also create some networking effects. Also, an anti-thesis for the submitted article can be found in many articles by Joe Konrath: http://jakonrath.blogspot.com/ http://jakonrath.blogspot.com/