Digiday: Chatbots have intrigued digital and old-school publishers, who recognize a growing audience on messaging apps. The Washington Post is one of many big-name publishers developing such a news bot, and so far it’s just known internally as the WaPo bot. The Post is building the bot as more messaging apps open to such third-party experiences. Kik is launching a bot store, and Facebook is expected to launch a bot store on Messenger at its F8 conference next week.