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Re:Just Use Email – How to Use Email for Everything by jjav on Wednesday May 12, 2021 @02:25AM (#27127304)
> > I can interact with anybody with an e-mail address

> Why is that a good thing?

Because it is useful to have a communication mechanism which is universal. It is a standard and not owned or controlled (censored) by anyone. Sure there a dozens, possibly hundreds, of fragmented chat protocols that can't talk to anything other than their own proprietary clients. But only email is universally available.

> only friends I've chosen to let in

You could configure your email client the same way and then you have the same behavior.

Re:Just Use Email – How to Use Email for Everything by solidasparagus on Wednesday May 12, 2021 @02:39AM (#27127388)
> Because it is useful to have a communication mechanism which is universal. It is a standard and not owned or controlled (censored) by anyone. Sure there a dozens, possibly hundreds, of fragmented chat protocols that can't talk to anything other than their own proprietary clients. But only email is universally available.

I have never found that to actually be useful in practice. Non-universal protocols with proprietary clients have worked well for me - they have been convenient, well-engineered, well-designed, and well-populated by the people I want to talk to.