On a typical evening in Tamil Nadu, a small tea shop owner might be checking messages on a phone while customers gather around discussing the day’s news. A textile store owner might be posting a photo of a new saree design. A home baker might be replying to customer questions about a cake order. None of them may call it “digital marketing.” But in 2026, that is exactly what it has become. Across Tamil Nadu, businesses both small and large are quietly learning that the digital