Digital marketing refers to marketing a business online using various digital strategies and assets. It is a more cost-effective approach than traditional marketing. To effectively do digital marketing, businesses need key digital assets like websites, videos, images and social media pages. Common digital marketing strategies include pay-per-click advertising (PPC), search engine optimization (SEO), social media marketing (SMM), content marketing, affiliate marketing, email marketing and e-commerce marketing. PPC, SEO and SMM are particularly important strategies that can help businesses reach potential customers online. Taken together, implementing the right mix of digital assets and strategies is important for marketing a business digitally.