It's a bit of a flaw that signing in to many free wifi services requires receipt of an SMS. There's a strong correlation between not having wifi and not being able to receive SMSs.
Is that to say that messages are only sent when both phones are concurrently online? (Which is normally the case, of course...)
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Yes, they buffer while you’re offline, and then they delete from the servers
Thanks. Twitter will use this to make your timeline better. UndoUndo
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