Everything else was fair game. Forecasting, replenishment, allocation, all rebuilt on data, one category at a

Everything else was fair game. Forecasting, replenishment, allocation, all rebuilt on data, one category at a time. They started with their most complex category first, not their easiest, then rolled out in stages: pilot, full category live, chilled, ambient, frozen, cafes. Three learnings carried the whole journey. It's never just about the technology. Embed the operating model first. Optimisation, and the real benefit, comes after that.