From a full charge, we were able to stream Pandora over Bluetooth at maximum volume (a worst-case scenario) for five full hours before the box gave up the ghost, and managed well over sixteen hours in mixed testing with a variety of sources and settings.

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This huge volume gives Apple a significant revenue stream and also helps it sell more app-rich iPhones.

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Moy thinks that a charge-what-you-want market model will motivate benevolent hackers to create a full-fledged hacking arsenal and--if companies buy those exploits in volume--give researchers a significant new revenue stream.

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