LinkedIn founder Reid Hoffman watches as his company is listed on the New York Stock Exchange in May. Despite the global economic uncertainty, tech companies held steady on Wall Street. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

Reason To Smile: Samuel Palmisano, president and CEO of IBM, walks by an IBM logo at the CeBIT technology fair in Hanover, Germany. Palmisano is set to step down later this month, and Virginia Rometty will take over on Jan. 1. Sean Gallup/Getty Images hide caption

itoggle caption Sean Gallup/Getty Images

At Pace University in New York, college students who tutor seniors in local retirement homes are prepped with sensitivity training. Brittany Beckett (left), a Pace student, and Muriel Cohen work together at United Hebrew of New Rochelle. Courtesy of Pace University hide caption

itoggle caption Courtesy of Pace University