Ever since the first early adopter brands recognised the potential in social media marketing, return on investment (ROI) has been under scrutiny. Whether it be allocating resources for creating content and running accounts or putting media spend behind content, brands have always been sceptical of the ROI value. Currently, social media marketers view sales as the most important KPI and almost have to disregard other statistics as they are under pressure to deliver quantifiable results to clients or department heads.