Entropy – select insights from the Healthcare Social GraphTweetData from the Healthcare Social Graph® – Symplur. #TCT2014, #TCT2015, #TCT2016, #ACA14, #ACA1415, #ACA1416, #AHA14, #AHA15, #AHA16. Twitter 2014-2016. Engagement Comparison of TCT, ACC and AHASymplurOctober 31, 2017