Your blog can be one of the most effective content marketing strategies that you have, but it will only have a chance at being effective if you use a call-to-action (CTA).
Content marketing has proven to be one of the most successful and cost-effective online marketing strategies that you can adopt. Using a CTA is crucial in Content Marketing.
Email marketing is one of the oldest content marketing strategies around; however, it still remains one of the most successful ones as far as converting leads goes.
If you're planning on doing any kind of online marketing (and if you're not, then you should be), then content marketing should be a major part of your overall marketing strategy.