> It would be very useful to know when your friend opens your message Sure, it might be useful for them, but I'd still like to have to opt-in to it. If my fri

> It would be very useful to know when your friend opens your message Sure, it might be useful for them, but I'd still like to have to opt-in to it. If my friend embedded a tracking pixel in my email because I didn't have read receipts and they wanted to know if I'd opened their email, I'd be having a real serious conversation about boundaries and privacy with that "friend". Advertisers that do the same thing are being shitty people, in exactly the same way it'd be shitty if a friend did it. To be clear, I'm not arguing against read receipts. I'm arguing against _working around_ opt-in read receipts.