Digital marketing is the component of marketing that uses internet and online based digital technologies such as desktop computers, mobile phones and other digital media and platforms to promote products and services.Digital marketing, also called online marketing, is the promotion of brands to connect with potential customers using the internet and other forms of digital communication. This includes not only email, social media, and web-based advertising, but also text and multimedia messages as a marketing channel. Digital marketing can be broadly broken into 7 main categories including: Search Engine Optimization, Pay-per-Click, Social Media Marketing, Content Marketing, Email Marketing, Mobile Marketing, Marketing Analytics. But below are all the sub-topics, we will be learning:1. Email marketing, 2. social media management and campaigns.3. Online advertising and website creation/designing.4. JavaScript5. PPC6. Social media handling6. Google Analytics7. Digital marketing8. Google Admob9. YouTube monetization10. Adsense11. Creating and managing of E-commerce website.Digital Marketing is best suited to people with a mix of creative and analytical skills. It's useful to be good with numbers - digital marketing includes a lot of data analysis, so being comfortable with statistics will serve you well.According to Smart Insights, the most effective strategy in 2018 was social media marketing, followed by content marketing, and the least was data management, with SEO being somewhere in the middle of it all.