There are several services available today that le... ...She told him about the tracking. He called her a creep (mostly kiddingly), but also revealed that he&rsq...
https://www.neatorama.com/2016/05/18/Email-Trackers-Let-the-Sender-Know-When-You-Open-a-Message/
Email Trackers Let the Sender Know When You Open a Message...
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