1. The best way to define social media is to break it down. Media is an instrument on communication, like a newspaper or a radio, so social media would be a social instrument of communication: see link
2. "interactive web platforms via which individuals and communities share, co-create, discuss, and modify user-generated content” See link_
So What is social media to a middle schooler?
Below is a social media counter made by Gary Hayes, what does this tell you about society