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Re:You can change your number by psanford on Monday February 07, 2022 @07:56PM (#30253694)
Discord has your full chat history in a conveniently searchable server side database. When new people join a channel in your discord server, they call see the full chat history so they can get fully caught up.

You can use discord on multiple devices at the same time without the devices needing to directly sync with each other (because the state is stored on the server).

Re:You can change your number by charcircuit on Tuesday February 08, 2022 @12:49AM (#30255309)
>When new people join a channel in your discord server, they call see the full chat history so they can get fully caught up.

FYI there is a permission to disable this for a channel

Re:You can change your number by psanford on Tuesday February 08, 2022 @02:00AM (#30255664)
The point is that's a feature that is possible because the chat history is stored on discord's servers.