This document outlines 5 ways retailers can boost holiday marketing revenue with big data. It discusses: 1) Understanding customer preferences like in-store vs. online shopping from analytics and offering relevant promotions. Customers who engage across channels are worth 2x as much. 2) Driving up-sells and cross-sells through targeted emails, increasing one retailer's additional sales 13-fold. 3) Creating effective strategies by consolidating transaction and customer data to identify best offers. This increased one pizza chain's sales 12%. 4) Acquiring and retaining customers through personalized multi-channel communications, improving shopping experiences. 5) Delivering consistent branding across all retail channels including online, phone, and stores to coordinate the