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Google pays Apple $18B to $20B a year to keep its search in iPhone
(www.theregister.com)
This is a most excellent place for technology news and articles.
As far as I know, they bought the system with the goal of running it on mobile digital cameras and other consumer electronics (like music players).
But when they saw the iPhone, the effort to convert this system into what we now see as Android was internal and made by Google.
But I could've been fed wrong information though.