The article only briefly touches on the benefits Amazon gets from utilizing its own system. I'm willing to bet that the increased revenue from having richer, mo

The article only briefly touches on the benefits Amazon gets from utilizing its own system. I'm willing to bet that the increased revenue from having richer, more properly tagged (and hence more easily-findable) product listings more than makes up for it. It'd also be nice to see the conversion rate on the'Amazon Remembers' feature for the iPhone app, which could be a good example of the upside of putting a little money into Turk.