Why would you want a chatbot, why wouldn't you? How does that even work? Male, Female? How to add in your api? How to organise all that architecturally?
Find some of your answers here.
This talk is for you if you don't know how to start developing a chatbot. Both from a development or a management point of view.
Not much Drupal, Very much chatbot. Most examples from dialogflow, few from watson.