Three Paradoxes of the Internet Age - Part One - O'Reilly Radar
The Internet is becoming a vast petri dish for the group polarization phenomena. As Sunstein puts it “The most striking power provided by emerging technologies,” is the “growing power of consumers to ‘filter’ what they see.”
Not only are group dynamics at play, as discussed in the article, but we also _must_ filter information these days because there is so much ... the problem is, our filtering mechanisms are biased (partly by group dynamics, but also by individual factors).