This article explains why retailers are migrating from legacy platforms like Salesforce Commerce Cloud and Marketing Cloud to a Shopify and Braze stack. The post identifies organizational silos between commerce and marketing as a key problem with legacy systems, then details how Shopify’s theme model creates a predictable web surface while Braze enables real-time engagement. The article provides practical guidance on migration strategy, including using a modern data warehouse as a control plane and reframing role changes for existing teams rather than eliminating positions.