Poor Lighting or Damaged Codes: Can make scanning difficult

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Competition for Attention: At busy events, your QR code needs to stand out.
Incorrect Data Entry (Less Common but Possible):

While digital forms reduce errors, users can still mistype their phone numbers if proper validation (like format checking or even a confirmation step) isn't in place.
Potential for QR Code Misuse (QRishing):

Malicious QR Codes: Users need to be cautious whatsapp number list about scanning QR codes from untrusted sources, as they could potentially lead to phishing sites designed to steal personal information.
Business Responsibility: Use reputable QR code generators and ensure your linked pages are secure (HTTPS). Educate your audience if necessary.
Integration Complexity:

Setting up seamless integration between QR capture methods and backend systems (CRMs, databases) can sometimes be technically challenging and may require IT resources.
Over-Reliance and Impersonalization if Not Handled Well:

While efficient, the follow-up process needs to remain personal. If the subsequent phone call or SMS feels generic and doesn't reference the context of the QR scan, it can be off-putting.
Compliance Burden:

Keeping up with and adhering to various national and international regulations regarding data privacy and telemarketing (e.g., consent for calls/SMS, opt-out mechanisms) requires ongoing effort and diligence. Failure to comply can result in hefty fines and reputational damage.