Nowadays, search engine is a very important promotion tool. If you have free organic ranking, your brand and product will get huge exposure, and save a lot of digital advertising fee. Furthermore, users from organic search are more satisfactory with the website content (this is the value of Google!), they are easier to convert to real customers. Your revenue therefore improves. Tell you one thing, today search engine still relies on text to work. Thus, copywriting accounts for 60% of the SEO success.