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Apple may have added another piece to the puzzle of its rumored Apple Car.
The company filed a patent application for a "user tracking" seat headrest for better audio control. In the filing, Apple describes a headrest with "one or more speakers" mounted into it, to provide the occupant with better audio output. However, this tech essentially applies spatial audio to a headrest, a concept seen in a host of different Apple devices thus far.
Source Fool.com