The iGrill on display at Macworld 2011in San Francisco. Tony Avelar/Bloomberg via Getty Images hide caption

itoggle caption Tony Avelar/Bloomberg via Getty Images

An unmanned U.S. Predator drone flies over Kandahar Air Field in Afghanistan in 2010. Apple has rejected an app that tracks U.S. drone strikes around the world. Kirsty Wigglesworth/AP hide caption

itoggle caption Kirsty Wigglesworth/AP

President Obama posted this photo on Twitter and Reddit to prove that he was participating in Wednesday's online chat. Some users weren't quite convinced. via Twitter hide caption

itoggle caption via Twitter

President Obama waves to supporters during a campaign stop Wednesday in Charlottesville, Va. He later participated in a question-and-answer session on Reddit. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

Students work at the University of the People student computer center in Haiti. Students from 129 countries are currently enrolled with the institution. Courtesy of University of the People hide caption

itoggle caption Courtesy of University of the People

Nintendo's Wii U is the only new game system on the horizon as console makers are having a hard time figuring out how to improve on what they've got. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

According to consultant Serkan Toto, the anonymity of mobile gaming is tailor-made for the Japanese. Koji Sasahara/AP hide caption

itoggle caption Koji Sasahara/AP