You should also consider how fast the market is growing too. Maybe it's only 1% of Apple's profits, but that's a lot considering it was non-existent 2 years ago

You should also consider how fast the market is growing too. Maybe it's only 1% of Apple's profits, but that's a lot considering it was non-existent 2 years ago. Perhaps in another 2 years it will be 5% of Apple's profit. That's incredible growth into a completely new profit market.