Tempering Predictions of Progress

Wednesday, March 19, 2008
I was reading about Bill Gates’ speech to the Northern Virginia Technology Council last week, which received a lot of media coverage (PDF transcript here).

In the speech about software innovation, Gates “speculated that some of the most important advances will come in the ways people interact with computers: speech-recognition technology, tablets that will recognize handwriting and touch-screen surfaces that will integrate a wide variety of information.”

“I don’t see anything that will stop the rapid advance,” Gates said. I appreciate the insight that a corporate mogul and business insider like Gates provides.

The predictions did make me think about this observation from Alasdair MacIntyre, however, which serves to temper some of the more audacious claims often made about technological progress.

MacIntyre writes,
Any invention, any discovery, which consists essentially in the elaboration of a radically new concept cannot be predicted, for a necessary part of the prediction is the present elaboration of the very concept whose discovery or invention was to take place only in the future. The notion of the prediction of radical conceptual innovation is itself conceptually incoherent.

To his credit, much of what Gates is describing doesn’t meet these criteria. They are not “radically new” concepts, but the integrative alteration of already existing concepts (some might argue that this has essentially been the modus operandi for Microsoft’s success: not innovation per se, but rather innovative popularization of integration).

That said, we need to be cautious about the precision of our claims about future innovation. Statistically we can predict that radical innovations are quite likely to happen, but by definition we can’t know what they will be.
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The ABCs on AIDS in Africa

Wednesday, March 19, 2008
Edward C. Green and Allison Herling Ruark of the Harvard Center for Population and Development Studies cut through the nonsense and offer clear thinking on AIDS in Africa. Their article in the April issue of First Things more specifically criticizes a recent report on faith-based organizations and AIDS emerging from the Berkley Center at Georgetown University.

Green and Ruark take pains to be respectful and deferential toward the Georgetown researchers, even where the egregious errors of the latter might have been treated with sarcastic wit. For example, there is this:
The Georgetown report clearly gets it wrong when it states that, for the ABC approach “to be effective, abstinence and fidelity must be practiced by both partners.” In fact, abstinence is always 100 percent effective in preventing sexual transmission when practiced by an individual.

Um, yes.
The article concludes,
...the central fact that has emerged from all the recent studies of the HIV epidemic: What the churches are called to do by their theology turns out to be what works best in AIDS prevention.
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