The London Games have lived up to their hype as the first truly "social" Olympics. But social media like Twitter have also brought embarrassments, and even an arrest. NPR hide caption

itoggle caption NPR

Computer experts say mobile phones are prime targets for hacking because of the ways they connect to networks. Adele Hampton/NPR hide caption

itoggle caption Adele Hampton/NPR

The NBC Olympics app will include different levels of streaming video. The network requires registration for access to its live content from London. NBC hide caption

itoggle caption NBC

Designer Ximena Valero uses YouTube to get the word out on her signature transformable fashion, modeled here by Cindy Vela. She says joining the Latino lifestyle network Mitu will only help increase her exposure. Ximena Valero via YouTube hide caption

itoggle caption Ximena Valero via YouTube

Morgan Jones, an 18-year-old from Denver, gave minute-by-minute updates Friday on the movie theater shootings in nearby Aurora, Colo. Courtesy of Morgan Jones hide caption

itoggle caption Courtesy of Morgan Jones

Two students walk in front of Stanford Memorial Church on the Stanford University campus in Stanford, Calif. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

The German-language Wikipedia is the second-largest edition of the online encyclopedia after English. Wikipedia is currently available in more than 285 languages. Michael Gottschalk/AP/DAPD hide caption

itoggle caption Michael Gottschalk/AP/DAPD