Night-vision cameras, biometric sensors and other gadgets already give snoops access to private spaces. Coming soon: palm-size "bug-bots"
Mashing everyone's personal data, from credit card bills to cell phone logs, into one all-encompassing digital dossier is the stuff of an Orwellian nightmare. But it is not as easy as most people assume
Security systems based on anatomical and behavioral characteristics may offer the best defense against identity theft
Young people share the most intimate details of personal life on social-networking Web sites, such as MySpace and Facebook, portending a realignment of the public and the private
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