SEATED in an auditorium, about 150 students of the Sultan Iskandar Muda High School in Medan, North Sumatra, looked at their cellular phones. A teacher was explaining to them how to use the Chatbot Binake app. This application introduces religious diversity and tolerance to students. 

A view of the app in action is shown on a screen set up on the stage. There was a question about the unique features of the Hindu which is followed by a