| 摘要 |
An electronic commerce system provides a digital membership card for cross company marketing efforts, yet supports the privacy of a user. The system includes a club manager to register a user as a club member, to create a digital membership card for the club member, and to install a digital membership card plug-in for use with a club member's web browser, the plug-i n including the digital membership card. The system also includes at least one affiliate to request the digital membership card from the club member, the digital membership card being provided by the digital membership card plug-i n, to verify the digital membership card, and to provide a benefit to the club member when the digital membership card is verified. The benefits may includ e discounts on products and services, free goods and services, or other promotional items.
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