I am sure Amazon are pretty good at mining _their own_ data. When it comes to mining the open, unstructured and uncontrolled mess that is the Internet, I belie

I am sure Amazon are pretty good at mining _their own_ data. When it comes to mining the open, unstructured and uncontrolled mess that is the Internet, I believe they're no match to Google. Which is OK: it isn't part of their core business.