Social Media ROI

Social Media ROI
Please answer the question to write a paper and use the reference from the book: Qualman, Erik. (2013). Socialnomics: how social media transforms the way we live and do business (2nd ed.). Hoboken, NJ: John, Wiley & Sons.

Q: How do organizations measure social media ROI? There is no single best way to measure. But, what are the options?