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As a marketer, the chances are good that you’re receiving emails from several other lists. Do you notice that you open some marketers e-mails more than others? You can learn a lot from this.
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Save the e-mails that really grab your attention and make you respond, either by “labeling” them if you’re using Gmail.com or sorting those messages into a folder marked “Hot Copy”.

You can “swipe” certain copy ideas (not the subject lines themselves, but the ideas used) for use in your own e-mails to make them more attention-grabbing and response-inducing.