Per Adweek, Yahoo! is joining the coupon game by offering printable coupons in a partnership with Coupons.com.
The question is, are you already using Google's free coupons? As part of their local business listings, companies can offer free coupons. Here's an example from my website.
If frugal is the "new cool" (or the "new black"), it's time to take advantage of this free opportunity.