That provides the auto manufactures with a huge advantage once they get all the dealerships lined-up to sell cars over the internet.

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While equipment varies, in most cases the only way to take advantage of the auto level and delay adjustments is to decode in the AV receiver.

ENGADGET: How to actually use Dolby TrueHD and DTS-HD HD

The nation's murder rate jumped in the 1960s and 1970s as criminals also took advantage of the greater auto-mobility that it fostered.

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