Are influencers overpaid? A data-driven exploration of influencer metrics

Using our marketing technology systems, SHIFT extracted influencer data from over 16,000 different influential individuals on Facebook, Twitter, and Instagram, totaling 3,640,894 social posts across all platforms. The timeframe for this examination is April 1, 2015 – March 1, 2016.

http://www.shiftcomm.com/blog/influencers-overpaid-data-driven-exploration-influencer-metrics/