Retail CIOs have always had a tough job, but digital makes it tougher. Emerging digital technologies threaten to transform retail experiences both in stores and at home. Without a good business case, CIOs at large retailers will find it hard to prepare their business to compete with small, nimble startups. This report highlights the potential of today's digital technologies to radically disrupt the retail industry once more. It serves as a call to CIOs to begin shaping their strategy to digitize the end-to-end customer experience and start proving the business case in time to make the investments needed.