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Wouldn't be too much of a stretch to imagine an electronic compass that doesn't depend on the angle of the device. The accelerometers can work out which way is up, and therefore which combination of axes to read from the compass chip(s).
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Maybe can work at all angles
Wouldn't be too much of a stretch to imagine an electronic compass that doesn't depend on the angle of the device. The accelerometers can work out which way is up, and therefore which combination of axes to read from the compass chip(s).