Effective digital marketing in today’s world is all about creating a comprehensive strategy that leverages various digital channels to reach and engage with your target audience. The following are some key components of effective digital marketing:  

1. Data-driven approach: Digital marketing today is driven by data. Effective marketers analyze data from multiple sources to understand customer behavior, identify trends, and make data-driven decisions.
2. Multi-channel marketing: With so many channels available today, including social media, email, search engines, and mobile apps, an effective digital marketing strategy needs to leverage multiple channels to reach customers where they are spending time.
3. Personalization: Customers today expect personalized experiences, and effective digital marketers use data to tailor messages and offers to specific customer segments.
4. Content marketing: Content is king in digital marketing, and effective marketers create high-quality, engaging content that resonates with their target audience.
5. Mobile-first approach: With more than half of all internet traffic coming from mobile devices, effective digital marketers prioritize mobile optimization and create campaigns that are mobile-friendly.
6. Continuous optimization: Effective digital marketing is an iterative process that requires continuous optimization and refinement based on data-driven insights and feedback.

Overall, effective digital marketing in today’s world requires a combination of data analysis, multi-channel marketing, personalization, content marketing, mobile optimization, and continuous optimization to deliver results.