Nov 26, 2013
The number of deals offered by 31 major department store and apparel retailers increased 63% between 2009 to 2012, and the average discount jumped to 36% from 25%, according to Savings.com, a website that tracks online coupons.
The Dirty Secret of Black Friday 'Discounts', Wall Street Journal, November 25 2013 - proving that sales of sales are still ticking up, and fast