| 摘要 |
A method, apparatus, and computer usable program code for identifying and tracking grouped content in e-mail campaigns. An instruction set is placed in an e-mail to form a modified e-mail, wherein the modified e-mail contains a grouped content having a plurality of levels that are expandable to present additional content. The modified e-mail is sent to a distribution list, wherein the instruction set is used to track information about the grouped content.
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