One of the most common New Year’s resolutions is the promise to lose weight. Every January, it’s not unusual to encounter someone committing to a fresh start with healthy eating and weight-loss efforts. McDonald’s cleverly tapped into this trend with a humorous marketing campaign. On January 1, 2025, McDonald’s posted a short message on its X (formerly Twitter) account: “See you tomorrow morning,” accompanied by an image of a Diet Coke. This witty take on New Year’s resolutions quickly went viral, resonating with many. The post humorously referenced the familiar joke that “healthy diets always start tomorrow,” poking fun at our human tendency to stumble even at the start. By combining the symbol of a healthy diet, Diet Coke, with the cheeky message, McDonald’s delivered a relatable moment that made people laugh.