Metaphysical Territoriality

Best Not Known
When you sit and think about him, he is behind you.

On a Wall, Inside Your Mind
He is everywhere.
These were pictures sent to me by two different friends
and this document was sent to me by some unknown person v0v

So basically, Slender Man operates on what seems to be a sort metaphysical territoriality. If more you are aware of it, the more it is aware of you. By raising everyone’s perceptions at a base level, you could possibly raise a sort of interference. That would require a spread of Slender Man, Or Slender Man like, media.