Consumers are clipping coupons at a rate not seen since before the 2007 recession, and that's a troubling sign, according to Coupons.com CEO Steven Boal.
The website tracks how often people view and print coupons and their redemption rate. Right now, Coupon.com's Internet Coupon Index, as it's called, shows a spike in coupon offers and demand.
http://www.cnbc.com/100485313