The crowd-sourced, wikinomic cloud is the new, new thing that all management consultants are now telling their clients to embrace. Yet the cloud is not a new thing at all. It has been the source of human invention all along. Human technological advancement depends not on individual intelligence but on collective idea sharing, and it has done so for tens of thousands of years. Human progress waxes and wanes according to how much people connect and exchange.

JUST AS IN OUR DAY a fervid minority denounces the digitization of literary experience, fifteenth-century literati responded to their own depredations. In 1492, Johannes Trithemius, Abbot of Sponheim, wrote De Laude Scriptorum, "In Praise of Scribes,” a polemic addressed to Gerlach, Abbot of Deutz. Trithemius’s intention was to uphold scribal preeminence while denouncing the temptations of the emerging press: “The printed book is made of paper and, like paper, will quickly disappear. But the scribe working with parchment ensures lasting remembrance for himself and for his text.” Trithemius asserted that movable type was no substitute for solitary transcription, as the discipline of copying was a much better guarantor of religious sensibility than the mundane acts of printing and reading. As evidence he offers the account of a Benedictine copyist, famed for his pious perspicuity, who had died, was buried by his brethren, then subsequently (though inexplicably) exhumed. 

This view of the future of humankind is grounded in an appreciation of the biologically innate powers bestowed upon us by hundreds of millions of years of evolution. This deep respect for our powers is sometimes lacking in the sciences, where many are taught to believe that our brains and bodies are taped-together, far-from-optimal kluges. In this view, natural selection is so riddled by accidents and saddled with developmental constraints that the resultant biological hardware and software should be described as a “just good enough” solution rather than as a “fine-tuned machine.” So it is no wonder that, when many envisage the future, they posit that human invention—whether via genetic engineering or cybernetic AI-related enhancement—will be able to out-do what evolution gave us, and so bootstrap our species to a new level.

Mr. Daniel

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Technology so pervades our culture that it's sobering to consider how poorly we understand it. How do new tools and techniques arise? What principles guide their evolution? And how does their existence inform the larger economy?

In The Nature of Technology (Free Press, $27), economist W. Brian Arthur sets out to establish a coherent theory describing fundamentally what technology is, how it evolves, and how it spurs innovation and industry. Technology, he finds, "builds itself organically from itself" in a process that resembles chemistry and in some ways even recalls life itself.

Currently a professor at the Santa Fe Institute, Arthur taught economics at Stanford for 13 years. His work has won the Schumpeter Prize in economics and the Lagrange Prize in complexity science. American Scientist Online managing editor Greg Ross spoke with him in August 2009.

Earlier this year I attended a daylong conference in Manhattan devoted to education reform. Called Hacking Education, it was a small, private affair: 40-odd educators, entrepreneurs, scholars, philanthropists and venture capitalists, all engaged in a sprawling six-hour conversation about the future of schools. Twenty years ago, the ideas exchanged in that conversation would have been confined to the minds of the participants. Ten years ago, a transcript might have been published weeks or months later on the Web. Five years ago, a handful of participants might have blogged about their experiences after the fact. (See the top 10 celebrity Twitter feeds.)

But this event was happening in 2009, so trailing behind the real-time, real-world conversation was an equally real-time conversation on Twitter. At the outset of the conference, our hosts announced that anyone who wanted to post live commentary about the event via Twitter should include the word #hackedu in his 140 characters. In the r