The document reviews key trends and platforms in the growing digital coupon industry, noting a 17% increase in digitally distributed coupons in 2015. It highlights the performance of major platforms like Coupons.com, Hopster, RedPlum, and Connect 1-1, which offer various features including mobile printing and analytics. Connect 1-1 stands out as the only platform without setup or per-clip fees and provides demographic data through Facebook authentication.