Ubiquitous devices, including smart phones, display far more than a few seconds, but they can't be rolled up like a newspaper.

很多设备，包括智能手机，可以显示不止几秒的影像，但是他们都不能像报纸一样可以卷起来。

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The boom in data-intensive devices like smart phones and netbooks is straining wireless networks across the U.S. The Federal Communications Commission has pledged to make 500 megahertz of spectrum available for mobile broadband over the next decade.

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"The ubiquity of portable devices, like music players, smart phones and tablets, makes it essential that Yamaha HTiB systems deliver a higher level of performance and flexibility than consumers expect in this category, " said Tom Sumner, senior vice-president, Yamaha Corporation of America.

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The combined measurement is more relevant to smaller, flexible devices, like notebook computers, portable media players and smart phones.

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