Savings Wave is a browser extension that helps you to find coupons. After you rollover the tag in the top right corner of your browser, find a coupon you want, and just click it once to apply it to your shopping cart. Savings-Wave will let you know that you know that the coupon has been applied.
It is a browser add-on which lets you search via your favorite search engine
The WOT add-on is a crowd-sourced enhancement to your browser protection
