They change the way the phone behaves, adding themed features like games, theme-specific ring tones and other goodies.

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Although they have different features, a common theme of the government's plans has been a raising of the standard retirement age, typically to 65, instead of 60.

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This trend of internet-enabled, or "connected" TV is set to be a major theme of this year's CES, where TV makers from Panasonic to Sony are announcing app stores and other features that are designed to bring social media and Web experiences to TV.

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