The real opportunities with Facebook Messenger

GUEST: In April, 2016 (a mere seven months ago) Mark Zuckerberg, David Marcus (and, in a smaller side tent, myself) went on stage to proclaim that the future of business is conversation.
Imagine the opportunity to communicate with one billion potential customers   in a personal, private space  that makes it as easy and delightful as messaging your best friend.
But for the first few months, the experience felt more like messaging your ex-girlfriend  — poor response t