Digital advertising is a form of marketing that uses the internet and other digital technologies to reach and engage customers. It encompasses a wide range of activities, including email marketing, social media marketing, online advertising, and mobile marketing. Digital advertising is an effective way to reach out to potential customers and build relationships with them. It allows businesses to connect with their target audience in a more personal and interactive way. Additionally, digital advertising is often more affordable than traditional marketing methods, making it a good option for small businesses and startups.