Believe me or not, you are perhaps going to get into the era of AI (aka artificial intelligence). It is not a digital transformation you have heard over the Internet. It’s personally an intelligence transformation when your computer *would* understand you, as known as computer vision. One of the computer visions that folks pay pretty much attention to the development is conversational agent. Unless you like to call chatbot. Last weekend I sat down with a friend of mine to muse whether conversational bot gives you a good return on investment or not.