Digital marketing activities are search engine optimization (SEO), search engine marketing (SEM) , content marketing, influencer marketing, content automation, campaign marketing, and e-commerce marketing, social media marketing, social media optimisation, e-mail direct marketing, display advertising, e–books, optical disks and games, and any other form of digital media. It also extends to non-Internet channels that provide digital media, such as mobile phones (SMS and MMS), callback and on-hold mobile ring tones.

According to the Digital Marketing Institute, Digital Marketing is the use of digital channels to promote or market products and services to consumers and businesses.