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

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Samsung Electronics' Galaxy S (left) and Apple's iPhone 4 are displayed at the headquarters of South Korean mobile carrier KT. Apple claims some of Samsung's designs violate its patents. Ahn Young-joon/AP hide caption

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

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A phone booth serves as a free Wi-Fi hot spot in New York City's Columbus Circle. Anna Solo/ hide caption

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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

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