Digital marketing has fundamentally transformed how businesses engage with consumers by shifting from traditional to digital platforms. The rapid evolution of the internet, mobile technology, and AI-powered tools enables brands to reach broader and more targeted audiences efficiently. This paper explores current digital marketing strategies, emerging trends, and challenges faced by marketers in 2025 such as data privacy, evolving consumer behavior, and the use of artificial intelligence (AI) and machine learning (ML). By examining data-driven insights, this study highlights effective approaches to enhancing customer engagement, personalization, and conversion rates.