0. Many people use Facebook messenger as primary contact book. Even my parents a...

		jopsen 12 days ago \| parent \| context \| favorite \| on: Mark Zuckerberg freezes AI hiring amid bubble fear... 0. Many people use Facebook messenger as primary contact book. Even my parents are on Facebook messenger. Convincing people to use signal is not easy, and there are lots of people I talk to whose phone number I don't have.