[Kubizo]

So either they'll try to make the Silk browser popular on other platforms, or, if that fails, enter the handset game.

I believe this is the killer idea. Thanks for sharing, I find this comment extremely smart.
We might see a Silk for iPhone or a Silk for Android pretty soon.
On top of that, a phone with a Silk Browser is itself a good enough reason for Amazon to make a phone :-), just because of what you also said:

The mad race right now is not to sell content, but to profit from understanding customer behavior and interests.

Here's a blog post on the same line as what you said:
http://nettedthoughts.wordpress.com/...ransformation/
Bye bye & thanks again!