Many credit card and travel rewards programs are offering shopping malls in which customers can receive more rewards when they make purchases through the virtual shopping malls. Examples include Discover's ShopDiscover, Chase Ultimate Rewards Mall and Bank of America Upromise Mall.
To help you choose the best shopping mall to use for a certain store, NerdWallet’s new online discount tool
can come in handy.
Liz Weston's blog post has a good overview of this new service.