作者: Fiona Walsh
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摘要: A method of commercial Internet-based communication. The includes a first entity such as web merchant receiving an email or other address from user. transmits unique identifier associated with the user to second entity, while maintains communication in secrecy entity. accesses database containing past Internet activity information multitude users, and determines user's identifier. Based on user, communicates whether direct is warranted, if so, about recommended promotional emailing. sends address.