After reading yesterday's posts I thought this was interesting. It's from book You Are Not a Gadget by Jerome Lanier. It's a great book BTW.

New patterns of social connection that are unique to online culture have played a role have spread of modern networked terrorism. If you look at an online chat about anything, from guitars to poodles to aerobics you’ll see a consistent pattern: jihadi chat looks just like poodle chat. A pack emerges, and either you are with it or against it. If you join the pack, then you join the collective ritual hatred.