Carmakers like Mercedes-Benz and Audi AG plan to open up their automobiles to full Internet capability but there are hurdles in taking on this technology. Recent advances in bandwidth have eased the data flow needed to bring the Internet to the auto.
However, carmakers have difficulty defining what parts of the consumer Internet experience offer opportunities to them, as opposed to data service providers, content providers and network operators. To date, most connected cars have used what's called a "walled garden" approach to outside data services, analysts said, giving strictly limited access to a few applications like Google Search.
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