The document discusses integrating SMS messaging into cross-channel marketing strategies. It provides examples of how companies have used SMS campaigns successfully, including the Cove documentary's campaign to stop dolphin slaughter that engaged viewers and drove petition signups. The McDonald's case study describes a regional sandwich promotion campaign that delivered coupons via SMS with a 25% opt-in rate. The presentation emphasizes using SMS to grow customer lists, send discount alerts and coupons, and interact with customers across marketing channels.