Your e-commerce business needs a boost in sales, and fast. What's your first thought? If you're like most e-retailers, you probably think to offer a discount; after all, nearly 127 million U.S. adults are projected to redeem online coupons in 2016, and several of your competitors probably offer discounts (in fact, last Thanksgiving, nearly 2/3 of the top 1,000 e-retailers offered discounts).