How does HKTDC use and protect my information related to e-Badge?

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• I have other questions or suggestions.
• Can I get more than one e-Badge for the same fair in one device?
• Why should I get an e-Badge?
• I am receiving too many push notifications.
• I have already received a badge by mail or an invitation email with a QR code or registration reference number. How can I get my e-Badge?