Microsoft has announced a new Live Search advertising initiative called as Live Seams_liverch CashBack. The essence of the new service is the new set of 18 search offerings that give users cashback on any purchases made from the advertisers. 
Several high profile e-commerce websites are participating in this program. You can Use Live Search to find cashback savings from the online stores you know and trust. [Neowin]
View: Live Search CashBack