A Reddit mascot is shown at the company's headquarters in San Francisco. Reddit has published a new policy aimed at harassment on the site. Robert Galbraith/Reuters/Landov hide caption

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As varied as the options are for apps that are available to help you navigate your daily commute, the future of GPS may be more accurate. Lizzie Roberts/Ikon Images/Corbis hide caption

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The German service robot Toomas was designed to welcome customers and help them find items in a store. Joerg Sarbach/AP hide caption

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The cast of Mad Men: January Jones (from left), Jon Hamm, Elisabeth Moss, Vincent Kartheiser, Christina Hendricks and John Slattery Frank Ockenfels 3/AMC hide caption

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Shoppers view and take photographs of humanoid robot "Chihira" at the information reception desk of Mitsukoshi department store in Tokyo. Chris McGrath/Getty Images hide caption

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Nine media organizations, including The New York Times and National Geographic, have signed a deal to distribute their content through a new Facebook feature called "Instant Articles." Facebook hide caption

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Hawaiian Legacy Hardwoods has created an Internet interface so customers can zoom in and view information about specific koa trees from their computers. Courtesy of Hawaiian Legacy Hardwoods hide caption

itoggle caption Courtesy of Hawaiian Legacy Hardwoods

Nouf al-Mazrou, with the red head scarf in the center, runs a barbeque catering business from her home in the Saudi capital Riyadh. She's shown here at a gathering of Saudi women who have launched businesses on Instagram. The event was held at a private girls school. Deborah Amos / NPR hide caption

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Haqqathon-ers from the winning team, which developed the social media site Champions of Islam, at the event in Abu Dhabi, United Arab Emirates. Courtesy of Rim-Sarah Alouane hide caption

itoggle caption Courtesy of Rim-Sarah Alouane

Gene DeAnna is curator of the National Jukebox project, which is an online collection of more than 10,000 pre-1925 recordings. Brian Naylor/NPR hide caption

itoggle caption Brian Naylor/NPR

Comedian Aziz Ansari became a pioneer of emoji language use in 2011, when he transcribed the hit Jay-Z and Kanye West song, "Ni**as In Paris." azizisbored.tumblr.com hide caption

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Michael Dorn as Worf, a Klingon, in the 1998 movie, Star Trek: Insurrection. Paramount Pictures/Getty Images hide caption

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UnitedHealthcare says it will cover doctors' visits by live video on smartphones, tablets and computers. Doctor On Demand hide caption

itoggle caption Doctor On Demand

President Obama announced an initiative to give e-books to low-income students while visiting the Anacostia Library in Washington on Thursday. Shawn Thew//LANDOV hide caption

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