This document provides an overview of digital marketing. It defines digital marketing as using online technologies like websites, mobile phones, and other digital media to promote products and services. The objectives of digital marketing include increasing revenue, building brands, and improving search engine optimization. Some key techniques discussed are advertising, content marketing, social media marketing, and email marketing. The document also notes trends in digital marketing like analytics, video, and artificial intelligence. It compares digital marketing to traditional marketing, finding digital marketing is more cost-effective and allows for better targeting of audiences and real-time results.