Click on a product and you can read about the manufacturer/producer, how they benefit from a purchase, what cause is supported or what recycled materials were used. The seller also has a feedback rating, similar to eBay. Sellers can list products for sale, while eBay takes a comission.
According to the Natural Marketing Institue, the U.S. market for these types of goods was $209 billion in 2005, and the group projects that will rise to $420 billion in 2010. As more users take responsibility for their shopping habits, eBay will look to profit. And it's not a bad idea for you etailers out there to take notice and consider some sort of socially conscious options for your own website.