While sitting alone in your room and watching a video in the darkness or camping by yourself in the wilderness, have you ever felt as if someone were close behind you? We call this phenomena a feeling of presence, and it�s something humans have innately hardwired into their brains. When you do turn around, you usually never see someone or something behind you, but perhaps we have these feelings for a reason. What if you finally ignored that paranoia and were never heard from again? Hundreds of thousands of people go missing every year, so how unlikely is it to happen to you?
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