The next version of the Bluetooth short-range wireless protocol officially launched this week, promising an eightfold speed increase to boost the low power protocol into the same performance range as WiFi wireless networking, while allowing Bluetooth 3.0 devices to fall back to lower power mode when not actively transferring data.

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Many have made guesses as to what chipsets are inside iPhone 3G, but research firms Portelligent and Semiconductor Insights have cracked the mystery and have explained each chip in one of the most detailed Apple product teardowns yet.

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