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y messing with Operational Block 35, Stuxnet could easily cause a refinery's centrifuge to malfunction, but it could be used to hit other targets too, Byres said. "The only thing I can say is that it is something designed to go bang," he said.

Bushehr is a plausible target, but there could easily be other facilities -- refineries, chemical plants or factories that could also make valuable targets, said Scott Borg, CEO of the U.S. Cyber Consequences Unit, a security advisory group. "It's not obvious that it has to be the nuclear program," he said. "Iran has other control systems that could be targeted."

Iran has been hit hard by the worm. When it was first discovered, 60 percent of the infected Stuxnet computers were located in Iran, according to Symantec.

For most of human history, forgetting was the default and remembering the challenge.

Chants, songs, monasteries, books, libraries, and even universities were established primarily to overcome our propensity to forget over time. The physical and economic limitations of all of those technologies and institutions served us well. Each acted not just as memory aids but also as filters or editors. They helped us remember much by helping us discard even more.

Just because we have the vessels, we fill them.

Even 10 years ago, we did not consider that words written for a tiny audience could reach beyond, perhaps to someone unforgiving, uninitiated in a community, or just plain unkind.

Remembering to forget, as Elvis argued, is also essential to getting over heartbreak. And, as Jorge Luis Borges wrote in his 1942 (yep, I Googled it to find the date) story "Funes el memorioso," it is just as important to the act of thinking. Funes, the young man in the story afflicted with an inability to forget anything, can't make sense of it. He can't think abstractly. He can't judge facts by relative weight or seriousness. He is lost in the details. Painfully, Funes cannot rest.

Our use of the proliferating data and rudimentary filters in our lives renders us incapable of judging, discriminating, or engaging in deductive reasoning. And inductive reasoning, which one could argue is entering a golden age with the rise of huge databases and the processing power needed to detect patterns and anomalies, is beyond the reach of lay users of the grand collective database called the Internet.

the default habits of our species: to record, retain, and release as much information as possible

Perhaps we just have to learn to manage wisely how we digest, discuss, and publicly assess the huge archive we are building. We must engender cultural habits that ensure perspective, calm deliberation, and wisdom. That's hard work.

we choose the nature of technologies. They don't choose us. We just happen to choose unwisely with some frequency

surveillance as the chief function of electronic government

critical information studies

Siva Vaidhyanathan is an associate professor of media studies and law at the University of Virginia. His next book, The Googlization of Everything, is forthcoming from the University of California Press.

Nietzsche's _On the Use and Disadvantage of History for Life_

Google compresses, if not eliminates, temporal context. This is likely only to exacerbate the existing problem in politics of taking one's statements out of context. A politician whose views on a subject have evolved quite logically over decades in light of changing knowledge and/or circumstances is held up in attack ads as a flip-flopper because consecutive Google entries have him/her saying two opposite things about the same subject -- and never mind that between the two statements, the Berlin Wall may have fallen or the economy crashed harder than at any other time since 1929.