3 thoughts on “Others want me to scan the QR code on his leaflet with a mobile phone, and then send me a small gift. What do they do?”
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Generally, some sales are used to promote their products. I have encountered several of them myself. Some are pharmacies APPs, and some are financial loan apps. This is to be careful. If you want to sweep, you must first understand and clean up.
It may be that the virus is best, or it may be the kind of recommendation to register for registration
Try not to borrow Loanbao