Online communities. Almost everyone of us is a part of one. If you aren't then I'd say you're lucky. They're based on various basis of various similarities. There are sites for everything. She chose the wrong one. Nina Parker , a girl you'd see as "perfectly normal teenager" joins a platform made for abnormal people. They're all what the society labeled as 'weirdos'. Depression, Rage, everything seems prevalent there. Nina isn't exactly loved but she couldn't leave the site. She makes herself seem as weird as possible but still she couldn't become one of them. After all 'anti social' is what brings them all together. Nina could never be that Join the weird world of "Thinking space" and Nina's beautiful unicorn world.