DJ Patil explains a visualization of a person's LinkedIn network, where different groups of contacts are illustrated by different colors. Patil developed big data projects for LinkedIn — like algorithms to determine whom you might know. He now recruits mathematicians for a venture capital firm.
Lindsey, Natalie and Paul Santana (seen via webcam), the day after Natalie's birth. "The hospital staff was so incredible to arrange for the Internet connection to make that possible," Lindsey says. She calls their Skype chat that day "such a great memory for us."
A passenger removes his shoes at the TSA security checkpoint at John F. Kennedy International Airport — a task that may not be required in the near future, says Department of Homeland Security Secretary Janet Napolitano.
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