Digital marketing involves promoting products or brands using electronic media like the internet, wireless messaging, mobile apps, and digital television. Digital marketers monitor metrics like views, sales conversions, and what content performs well. The goals of digital marketing are visibility, awareness, engagement, branding and generating leads. The document then discusses implementing a digital marketing plan using tools like websites, search engine optimization, social media, email marketing and mobile marketing. It also compares offline and online marketing and discusses search engine advertising and optimization strategies.