Not to everyone in your contacts, but to everyone in your contacts who have your phone number.https://twitter.com/jwz/status/845837421665107972 …
The only way a device running Signal can know to display "Smithers" associated with a # is if the # is already in the card.
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I had that understanding too. Only thing that is "broadcast" is that you find when people in your AB start using Signal
Thanks. Twitter will use this to make your timeline better. UndoUndo
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