This document summarizes the history and current state of mobile couponing and deal sites. It discusses how couponing originated in the late 1800s and grew through the 1900s. Today, e-coupons and deal sites like Groupon, Living Social, and LevelUp allow consumers to find local deals on their smartphones. These mobile coupon platforms often have much higher redemption rates than traditional paper coupons. The future of deals and discounts is moving more towards mobile-based applications and location-based deals tailored to individual consumers.