Dappled
发表于 2025-3-30 11:09:55
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chemical-peel
发表于 2025-3-30 12:37:21
A Privacy-Friendly Method to Reward Participants of Online-Surveysotential participants is offering a prize that is awarded to one of them. For that purpose the pollster usually collects the E-mail addresses or other personal data of the participants, enabling him to notify the winner. Collecting the participant’s personal data may, however, conflict with the pote