Digital marketing refers to the use of the internet and digital technologies to promote and market products or services. It encompasses a wide range of online activities aimed at reaching potential customers through various channels. Some key components of digital marketing include:

1. Search Engine Optimization (SEO): The process of optimizing a website to rank higher on search engine results pages (SERPs), increasing organic traffic.

2. Content Marketing: Creating and distributing valuable content (blogs, videos, infographics, etc.) to attract and engage an audience.

3. Social Media Marketing: Promoting products or services via platforms like Facebook, Instagram, Twitter, and LinkedIn to engage users and build brand awareness.

4. Pay-Per-Click Advertising (PPC): Running paid ads on search engines (Google Ads) or social media platforms where advertisers pay a fee each time someone clicks on their ad.

5. Email Marketing: Sending targeted messages or promotions directly to a user’s email inbox to nurture leads or maintain customer relationships.

6. Affiliate Marketing: Partnering with individuals or other companies (affiliates) who promote your products and earn a commission on sales.

7. Influencer Marketing: Collaborating with influencers who have a significant following to promote products or services.

8. Mobile Marketing: Reaching customers through mobile apps, SMS, or mobile-friendly websites.

9. Analytics and Data Tracking: Using tools like Google Analytics to monitor the effectiveness of digital marketing efforts, track customer behavior, and optimize strategies based on data.

Digital marketing is popular because it allows businesses to target specific audiences, measure the success of campaigns in real-time, and adjust strategies for better results.