"What deeply worries him is

“What deeply worries him is that these technologies collectively create the ability to unleash self-replicating, mutating, mechanical or biological plagues. ‘If you can let something loose that can make more copies of itself, it is very difficult to recall. It is as easy as eradicating all the mosquitoes: They are everywhere and make more of themselves. If attacked, they mutate and become immune. . . .'” Bill Joy, co-founder of Sun Microsystems has come to the conclusion that “advanced technology poses a threat to the human species.” Look for his forthcoming Wired article to be published on Tuesday.