This document summarizes content marketing and its importance. It discusses that content marketing is the creation and sharing of content to engage consumers and drive profitable actions. It then provides 4 key reasons why companies are increasingly adopting content marketing: 1) It improves search engine optimization by positively impacting key ranking factors; 2) It drives referral traffic which converts better; 3) It is necessary for effective social media marketing; 4) It allows companies to shape their brand's reputation online. The document also notes that content marketing adoption is highest in professional services, computing/software, advertising/marketing and healthcare industries.