All words have meaning. There are formal definitions that you’d find in a reputable dictionary. And then there are the real definitions: the ones that remain unspoken. That’s why the Uselesstuff® Dictionary exists.
so·cial me·di·a (n.):
1. you do all of the work, while we make all of the money;
2. a company that knows more about you than you do about yourself;
3. a place for telling the whole world about personal problems that you’d never tell your closest family and friends;
4. a company that willingly sells your personal information to literally anyone.