Digital marketing involves promoting a brand using digital technologies like search engines, social media, websites, and mobile apps. It has advantages like being economical, increasing brand reputation, easily targeting audiences, and generating more revenue. Search engine optimization (SEO) is an important part of digital marketing, as it involves optimizing websites and pages to appear higher in search engine results. The goal of SEO is to improve visibility and rankings to drive more traffic, engagement, and ultimately conversions. Elements of digital marketing include organic marketing, paid marketing, reporting, and mobile marketing techniques like SEO, social media, inbound marketing, email marketing, pay per click ads, display ads, video ads, and mobile ads.