A South Florida teen died of a drug overdose in front of a live online webcam audience 12 hours after he started blogging about his plan to commit suicide.

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• MySpace exec testifies in suicide case

The Pentagon has banned, at least temporarily, the use of external computer flash drives because of a virus threat on Defense Department networks.

China steps up computer espionage on the government, defense contractors and American businesses, a congressional advisory panel said.

Dell Inc.'s fiscal profit sank 5 percent as concerns about the deepening economic crisis crimped corporate spending on PCs and other products.