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A comment on Superhuman embeds tracking pixels in user emails. Parent comment

Re:Superhuman embeds tracking pixels in user emails by umeshunni on Tuesday July 02, 2019 @04:16PM (#20339023)
They cache the image when the email is received, not when it is opened.
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Re:Superhuman embeds tracking pixels in user emails by mathnmusic on Tuesday July 02, 2019 @06:44PM (#20340071)
Which would break tracking because open-rate would be 100% even if the user is on vacation.
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