This document discusses social media marketing ROI and how to measure it. It outlines that (1) social media marketing is about customer engagement, content relevance, trust-building and technology adoption which require time and investment; (2) while most social media programs don't measure ROI, it is possible to do so by tracking both social and media objectives and measures like reach, awareness, engagement, advocacy and influence; (3) parameters to measure social impact differ from traditional media but measuring social media ROI requires a combination of both.