A holistic Customer Data Strategy enables scalable personalization by unifying fragmented data, profiling behavior, and activating insights through AI. Starbucks illustrates this approach with Deep Brew, integrating customer touchpoints to deliver tailored recommendations that increase throughput and revenue—while preserving brand intimacy.

From 1996 to 2000, Home Depot’s market cap soared 375%, crushing Lowe’s and the S&P 500. The company had grown into the largest home...