The Fairfax County 911 Center in Virginia takes calls during Hurricane Sandy in 2012. It was relatively easy to locate callers when most people used landlines. But most 911 calls now come from cellphones, which can pinpoint a callers' location only within 100 to 300 meters. Greg E. Mathieson Sr./Mai/Landov hide caption

itoggle caption Greg E. Mathieson Sr./Mai/Landov

The headquarters of Reynolds American in downtown Winston-Salem, N.C.. Starting in January, workers there will no longer be allowed to smoke at their desks. Chris Keane/Reuters/Landov hide caption

itoggle caption Chris Keane/Reuters/Landov

The phone company Vonage reported a drop in voice mail retrievals over the past year. Many of those ignoring voice mails are millennials. iStockphoto hide caption

itoggle caption iStockphoto

The National Zoo's carousel is among dozens that Carousel Works has installed around the U.S., each made to fit in with its surroundings. James Clark/NPR hide caption

itoggle caption James Clark/NPR

A customer sets up her new iPhone 6 at an Apple store in Beijing on Friday. A group says the Chinese government backed an attack against users of Apple's iCloud service, but the government denies the claim. Feng Li/Getty Images hide caption

itoggle caption Feng Li/Getty Images

Justin Nagelberg uses the Sa umbrella in New York City. By replacing the metal skeleton with two canopies, the design is lighter and has more headroom. Courtesy of Justin Nagelberg hide caption

itoggle caption Courtesy of Justin Nagelberg