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Chances are, the next new car you buy will have iPod connectivity. Telematics Research Group (TRG) estimate that 73 million cars worldwide will hook up to iPod, including 28 million cars in the US, Macworld UK reports.

Auxiliary inputs in cars (such as DVD) will expand even further: 150 million cars will be so equipped by 2011. Of these, 60 million will be cars in the US. Bluetooth is another technology that is making its way onto cars rapidly; 8.5 million US cars will be Bluetooth-capable within 5 years.

TRG also state that some 39 models from the major automobile companies now have some form of iPod integration, with BMW being the first off the blocks.