The document discusses using machine learning and chatbots for first line technical support. It defines what a chatbot is, including passing the Turing test. Chatbots are useful for customer service, technical support via answering frequently asked questions, and replacing forms. The architecture of chatbots includes receiving and sending messages and processing them. Popular chatbot platforms are also listed. An example chatbot for IT support is demonstrated. The document outlines building chatbots without machine learning via scripting, but notes natural language processing and classification models can apply artificial intelligence to better understand user intents.