Photo: Privacy Fears Intensified by Tech That Knows Where You Are



U.S. Geological Survey satellite imagery shows traffic flowing between Virginia and Washington, D.C. The Washington Monument is visible in the top left, casting a long shadow like a giant sun dial.

Such satellite data available online isn't currently at a stage that should ring privacy alarm bells, experts say. But as location-based technology advances, the concept of digital devices that can track and communicate a person's every move is raising a host of questions about user privacy.

Image by USGS/MS Research Terra Server USA - Urban Area Ortho Imagery - Washington D.C., courtesy NASA WorldWind


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