Hey kids! You, too, can protect yourself from dangerous mind-control wavey-ray-thingies with your AFDB (Aluminum Foil Deflector Beanie).
And for identifying dangerous pockets of mind-control rays around town, there's the practice of psychalking. Learn and share this code, and the paranoid-schizophrenic community will be able to cooperate together to defeat mind--blowing psychotronic frequencies. Psychalking takes its methods from the similar practice of warchalking, the chalk marks around town identifying wifi hot spots.
While you're at it, you might want to download and install Mindguard - the software designed for remote mind-control detection and eradication. Available for Amiga and Linux (run Linux because THEY don't want you to!)
You'll find the Mindguard link to be especially, uh, enlightening.