| 摘要 |
Techniques are provided which improve deal and advertisement targeting of users, and which may include facilitating user comparison of deals. Methods and systems may detect if an email contains deal information related to one or more deals. If an email contains deal information, the deal information may be extracted. When the email is opened by the user, a link may be displayed on top of (e.g., overlaid on) the email. The link may be configured such that clicking on the link transmits a search query comprising the extracted deal information to a deal service. The deal service may retrieve one or more additional deals which may be similar or related to the one or more deals received in the email. The additional deals may be selected by the deal service based at least in part on the extracted deal information.
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