The Black Friday 2025 data is in, and it should terrify any brand without an AI visibility strategy: Rufus alone drove $10 billion in incremental sales while processing 38% of Amazon sessions, and AI traffic to retail sites exploded 805% year-over-year. This isn't a trend to monitor - it's a fundamental shift in how products get discovered and purchased, with algorithms already determining which brands exist in the eyes of AI-assisted shoppers.