Which of the following is an accurate definition of what a content marketing campaign involves?

Which of the following is an accurate definition of what a content marketing campaign involves?

• Creating and posting content ad-hoc when you have the time
• The creation of time-sensitive content that can be published through various channels
• Regularly emailing customers with news about a business’s products or services
• The creation and promotion of online materials with the goal of increasing interest in a product or service