The document describes how the author introduced themselves to HTML, CSS, and JavaScript in order to create a keyword scoring tool for an SEO agency. They used tutorials from W3Schools and answers from Stack Overflow forums and Google searches to learn the necessary skills over 10+ hours. They created the first version of the tool and presented it to executives at the agency, who approved of the final product. The author gained experience with three new technical skills and learned how best to learn new concepts through this process.