Why the 4 motivators driving social media interactions matter in 2019

What are the four motivators driving our interaction and activities on social media? Why you should care and how it will impact you digital marketing in 2019. Meltwater article: https://www.meltwater.com/blog/psychology-of-social-media-the-science-behind-why-people-share-online/# Ernest Dicter bio: https://en.wikipedia.org/wiki/Ernest_Dichter