> The reason I don't mention "I see you are opening my emails" is because it makes people uncomfortable.

Oh, you're so close.

Why does it make them uncomfortable when you mention it?

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> How dare you sir levy false accusations against me. I NEVER said that. Please don't spread lies about me.

Two comments ago:

> So that's why you see silly emails like 'I see you are opening my email, why don't you answer' - which is insane from a marketing point of view, why creep people out? So silly. Good open rate data gathering results in you not knowing that it's being tracked.