Here are several reasons why businesses may choose to spend on digital marketing:

1. Reach a larger audience: With digital marketing, you can reach a wider audience than traditional marketing methods like print or TV ads. The internet is accessible to billions of people around the world, and digital marketing can help you tap into that massive audience.

2. Targeted marketing: Digital marketing allows you to target specific groups of people with your marketing efforts. For example, you can target people based on their location, interests, age, gender, and other demographics. This makes your marketing efforts more effective and efficient.

3. Measurable results: With digital marketing, you can track and measure the results of your marketing efforts in real time. This allows you to see what’s working and what’s not, and make adjustments as needed to improve your results.

4. Cost-effective: Digital marketing can be more cost-effective than traditional marketing methods. For example, you can use social media to promote your business for free or at a low cost and set a budget for digital advertising campaigns to control your spending.

5. Build brand awareness: Digital marketing can help you build your brand and increase brand awareness. By creating and sharing valuable content and engaging with your audience on social media, you can make a loyal following of customers and fans.

Overall, digital marketing can effectively reach new customers, build your brand, and grow your business.