Casey Newton @CaseyNewton
An approach that requires people to opt in to letting businesses message them seems like a bad ad product, no? https://t.co/exGwmwkDht — PolitiTweet.org
Josh Constine @JoshConstine
Facebook has internally developed a mass-messaging system for businesses, which could be a way for Messenger to eve… https://t.co/AunPVbh5Un