Some questions about Apple:
Q: With only 4% market share, can you still make more than half the handset industry's total profits?
Q: How much is Apple's profit margin on a 3GS sold today?
A: Estimated at 56% since the parts got cheaper. Also 56% for the 4S.
Q: Wait, what?
A: The benefits of a tightly controlled supply chain - http://goo.gl/G3c7b
(1500 words, "Apple's Supply-Chain Secret? Hoard Lasers"; via 9to5Mac)