LINE DEVELOPER DAY 2017 A-10 After the LINE Messaging API was made public, developers have been coming up with ideas for making even more and more innovative bots, making communication among people all the more convenient and fun. In this session, we will look back on the development of LINE Bot and showcase the latest APIs, including the Flexible Rich Menu, with a demo. I hope you can get a feeling for the charming UX provided by bots.