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Comment by X-Istence | Hacker News Reader

Because blue means iMessage and iMessage means E2EE.

Grey and Green means not encrypted. Simple.

Green means cellular, blue means internet. This same color distinction is used in other places in the UI, such as control center and settings.

Nope, it means SMS vs iMessage specifically.

> If you see a green message bubble instead of a blue one, then that message was sent using MMS/SMS instead of iMessage.

https://support.apple.com/en-us/105087

> iMessages are texts, photos, or videos that you send to another iPhone, iPad, iPod touch, or Mac over Wi-Fi or cellular-data networks. These messages are always encrypted and appear in blue text bubbles.

https://support.apple.com/en-us/HT207006

MMS is email-style MIME messages retrieved over HTTP on a data connection. Push notifications for MMS are delivered as a special SMS, but otherwise it's far far closer to internet than cellular, and it's green.

Years ago iMessage was not E2EE and it was already blue...

That's your own interpretation of it.

You could say "blue means it supports link embedding; green means it doesn't" and it would be just as true.

Personally, I strongly suspect that Apple views it as "blue means Apple; green means NIH."

Gray is encrypted to Apple, and then the information is (of course) shared with third parties. Would you consider that to be a private communication? Kind of. It's a gray area...

C'mon...

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