Harvard Square, a large triangular area located in the heart of Cambridge and adjacent to Harvard University and near MIT University — two of the world's top-ranked institutions of higher learning. Darren McCollester/Getty Images hide caption

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An MIT analysis of Larry Abramson's Gmail account illustrates his online relationships. immersion.mit.media.edu hide caption

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How A Look At Your Gmail Reveals The Power Of Metadata
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People stood in line to vote on Election Day 2012 at the Wake County Firearms Education and Training Center in Apex, N.C. Gerry Broome/AP hide caption

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Aaron Swartz co-authored RSS and founded the company that later became the social media website Reddit. Boston Globe via Getty Images hide caption

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The St. Mark's School record folders. Courtesy of St. Mark's School. hide caption

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On the lesson learned
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