McDonald's Loyalty Data Dump Reveals Algorithmic Forecasts of Future Visits and Spend

A California resident who used state privacy rights to demand a copy of records held by McDonald's loyalty program received a 515-page personalized file that includes algorithmic forecasts of future restaurant visits, average order size, and total spend—plus an attrition score that marks them as unlikely ever to leave. The disclosure, detailed in a first-person investigation of the MyMcDonald's Rewards data package, shows how routine app orders and promotions are turned into commercial prediction models that treat everyday customers as scored lifetime assets.