Technology to filter photos in Web searches may help the Justice Department curb online trafficking in child pornography. The department has thus far focused its efforts on prosecution, not prevention. iStockphoto.com hide caption

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A Click Away: Preventing Online Child Porn Viewing
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An Iraqi man stretches his eye as a U.S. soldier scans his iris using a biometrics digital system camera during an enlistment program session to join the Sahwa group in Mahmudiyah, in 2008.  Mauricio Lima/AFP/Getty Images hide caption

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Google has created a new priority inbox system for its Gmail service. The new system sorts through your messages and puts the important ones in a separate box called Important. hide caption

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Google Unveils System For Prioritizing E-Mail
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University Attendance Scanners Make Some Uneasy
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MIT researchers wore the Age Gain Now Empathy System -- a body suit and helmet -- to a grocery store to understand what struggles seniors might have while shopping. Courtesy of MIT's AgeLab hide caption

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What Does It Feel Like To Be 75? Say Goodbye To Spry
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Microsoft Co-Founder Sues Major Tech Companies
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How much would you pay to live here? Farmville Facebook Photo hide caption

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Are You Plunking Down Real Money For Virtual Fun?
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Letters Of Love, Carried By 'Doves' To Chilean Miners
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77-year-old Suzette D'Hooghe works on her laptop computer during a computer class in Des Plaines, Ill., in 2003. Increasing numbers of people older than 50 are turning to social networking to share updates and connect with family and friends. Tim Boyle/Getty Images hide caption

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Sci-Fi High Tech Comes To Life
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Regulators Give Green Light To Solar, Wind
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Peace Corps volunteers cheer as President Obama speaks at the airport in Accra, Ghana, in July 2009. Staying connected to friends and family back home is easier for volunteers these days, thanks to technology. Haraz N. Ghanbari/AP hide caption

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Texting, Skype Alter The Peace Corps Experience
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