[codex]

Amazon may be making more profit on these purchases, rather than less--utilizing the potent marketing skills of non-profit organizations to direct more dollars to Amazon without Amazon having to pay higher affiliate fees. I'm not an expert, but I think Amazon's affiliate fees can be as high as 10% of the purchase price. 0.5% is a 20x cheaper customer acquisition cost.

[stp-ip]

One reason why they axed down socialvest.com and aflattr.com support and started doing smile. Nothing new, but cheaper.