This document discusses social media data analytics. It defines social media data as information collected from social networks like Facebook, Twitter, and Instagram that shows how users engage with content and profiles. This data provides insights into metrics like likes, mentions, clicks, hashtags, and new followers. Businesses analyze this social media data to understand what is and isn't working with their social media strategy. They gather data continuously to inform social media analytics and improve their digital marketing. The document also discusses how academics and companies like IBM utilize social media data for research, commercial gains, and providing social media insights and services.