The question of how humans process the flood of electronic media was a central part of the work of Stanford University sociology professor Clifford Nass, who died recently. Citing multiple studies, Nass said people often overestimate their ability to multitask. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Apple has bought a factory in Arizona that will be re-purposed to make sapphire glass. The material is used in the iPhone 5s, seen here, as well as in the wristwatch industry. Andy Wong/AP hide caption

itoggle caption Andy Wong/AP

Hackers pose at Disrupt Hackathon in 2011. Araya Diaz/Getty Images hide caption

itoggle caption Araya Diaz/Getty Images

The Microma watch was the first watch with a liquid crystal display, but the limited technology of the time prevented Intel from achieving much else with it. Courtesy of Intel hide caption

itoggle caption Courtesy of Intel

Phil Schiller, Apple's senior vice president of worldwide marketing, speaks about pricing for the new iPhone during an Apple product announcement on Tuesday. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Ari Dvorin was hired in May as the first corporate chef at SpareFoot, a startup in Austin, Texas. Here, Dvorin cuts suckling pig for a mockumentary SpareFoot made. Jenny Zhang/Courtesy of SpareFoot hide caption

itoggle caption Jenny Zhang/Courtesy of SpareFoot

Heather Garris, a custodian of medical records, organizes patients' files at Colorado Springs Internal Medicine in Colorado Springs, Colo. Barry Gutierrez for NPR hide caption

itoggle caption Barry Gutierrez for NPR

An image shows the new Digg Reader, built as an option to replace Google Reader. The RSS subscription service will be discontinued on July 1, Google says. Digg hide caption

itoggle caption Digg

The National Security Agency has been plucking data from central servers of large U.S. Internet firms, according to reports, and mining the data for possible security threats. NSA hide caption

itoggle caption NSA

A row of beer cans in Australia, where a man's beer fridge has been blamed for playing havoc with the cellphone network in several neighborhoods. Torsten Blackwood/AFP/Getty Images hide caption

itoggle caption Torsten Blackwood/AFP/Getty Images

The Spanish city of Santander is using a network of sensors to help improve services and save money. Incidents reported to Santander's command-and-control center, where the city manages data from sensors and smartphone reports made by citizens, are plotted on a map of the city. Courtesy of the University of Cantabria hide caption

itoggle caption Courtesy of the University of Cantabria