If Amazon issued "amazon bucks", that would probably be a viable alternative electronic currency since they offer a convenient single payment system and accordi

If Amazon issued "amazon bucks", that would probably be a viable alternative electronic currency since they offer a convenient single payment system and according to the recent thread may already account for up to 1/3 of US ecommerce. http://news.ycombinator.com/item?id=564080 http://news.ycombinator.com/item?id=564080