Staying off of Facebook doesn't insulate someone if they are not caucasian.

http://www.mercurynews.com/2017/02/24/shooting-of-2-indians-...

I don't know if you know this, but large swaths of America were so unsafe to travel for African Americans for a long time after slavery ended, that a guidebook was created specifically for the purpose of avoiding the most dangerous areas.

http://www.pbs.org/independentlens/blog/green-book-helped-ke...