Every business owner has had that moment. The shop opens in the morning. The shutters rise. Products are arranged neatly. A few customers walk in, look around, maybe buy something, maybe not. At the end of the day, the owner sits back and wonders — “What actually worked today?” For decades, business decisions in many parts of Tamil Nadu worked like this. A bit of instinct. A bit of experience. And a lot of hope. But something interesting has started changing quietly. Today, m