why not just write "www.poal.co"
It's one less step for the lazy, and makes it inconspicuous which may illicit curiosity to scan it and go to Poal in the first place.
It's far more effective than "Go to Poal.co if you want the truth!".
i thought it was a way to scan coupons or something
You can use it for a variety of purposes. You could even place a short red-pilled sentence within the QR code itself.
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