Digital advertising has become essential for businesses of all sizes. It is cost-effective and targeted, making it easier to reach the right audience at the right time. Digital marketing covers any online activity aimed at gaining followers, website visitors, emails, or other key information about the target market. Digital advertising targets leads and sales through social media, search engines, websites, email, apps, videos, and more. This article provides an overview of digital advertising channels for SMBs, including company websites, local listings, PPC advertising, Google Display Network advertising, video advertising, email marketing, influencer marketing, and affiliate marketing. The article concludes with four steps to designing a digital advertising plan, starting with understanding the audience.