Facebook and Ebay, Amazon

If they work together it can much easier to sell products to users like people put things they wanna sell on fb since fb has much higher penetration in society as compare to amazon or ebay if they develop a web application which is as authentic as ebay or amazon n merge it in fb, it can help to reach much more people and sell much more stuff and take online shopping to new heights. they always wanted. To reach even in remote places where they don't trust ebay or amazon as much but they will trust fb much more.. and will open new domain in social sector.