Modern automobiles are miracles of engineering refinement. Probably no other technology-related product calls from as many disciplines, has endured the same level of long-term evolution, has been actively used by more people, and has seen such steady long-term progress in capability, safety, and efficiency as your average family car. Each year, car companies take mountains of data and user feedback and pipe it into their engineering process, which results in an evolved, improved, safer product – most of the time, anyway…

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http://www.eejournal.com/archives/articles/20120320-backseat/