How is content marketing changing in 2019? What are the key trends you need to know for the next 12 months? Here are the most important stats to maintain a successful content marketing strategy. A content marketing strategy needs to be frequently evaluated to ensure that it’s still relevant. As we’re heading towards the end of 2018, it’s a good time to review your work from the past 11 months to find out what worked better and what needs to be improved.