How Chatbots benift marketing events

I am asked to choose one of the event marketing technologies which are provided by the teacher. After considering all the options, I choose the technology Chatbots. The teacher requires us to find multiple resources from the Internet, do our own research and analysis on how chatbots will benefit events, marketers, consumers, society, etc. 
It requires to be an electronic copy of their 3-4 page report, double spaced, 12pt font (excluding exhibits and references). The report should be written in the third person