What do we really know about Apple's self-driving car, now that it's been seen?

[NewsBot]

Late last week, an eagle-eyed car fan in California spotted a self-driving vehicle on the roads of Silicon Valley. That in itself wasn't weird--after all, plenty of start-ups in the area are trying their hand at autonomous technology. What made this unusual was that the car was owned by Apple. The car in question was a Lexus SUV, much like the...

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