Global Brain: The Evolution of Mass Mind from the Big Bang to the 21st Century is about how this planet became a massive innovation-sharing network four billion years ago. And about two competitions between groups, the competition between humans and microbes, and the competition between human subcultures like conservatives and liberals, Shiites and Sunnis, and militant Islam and the West.
“In Bloom’s model, bowling leagues, bacteria, bees, Belgium and brains all behave in similar ways. Lots of real science and some history—much of it fascinating, some of it quite obscure—go into Blooms ambitious, amply footnoted…arguments. …Bloom’s concept of collective information processing may startle skeptical readers with its explanatory’ power.”