Octavia E. Butler

People who think about time travel stories sometimes think that going back in time would be fun because you would have all the information you needed to be much more astute than the people there, when the truth is of course you wouldn't.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.

I know from my own personal experience. I was bullied in middle school and high school and went through my fair share of hard times thereafter. Also, one of my really good friends committed suicide when I was in high school.