SEO Optimization in 2016
It seems like Google and other search engines have integrated Digital marketing with Search Engine Optimization. This is why it is now more important to promote your business online on popular social media sites such as FB, TW, G+.
Social Signals from popular social media sites is now an important SEO factor. There are multiple SEO forums discussing impact of Digital Marketing and how you can improve your SEO by integrating Digital Marketing along with SEO for your website.