The rule of 7 can be applied in various marketing channels, including:

Email marketing: Send 7 or more emails to your subscribers over time to promote your products or services.

Social media: Share 7 or more posts about your products or services on social media platforms such as Instagram or Facebook.

Paid advertising: Run 7 or more ads over time to reach your target audience and increase brand exposure.

Content marketing: Publish 7 or more blog posts, videos, or other types of content that promote your products or services.