Chatbots are artificial intelligence assistants that users can interact with through messaging applications. They are powered by technologies like machine learning and natural language processing. The document discusses how chatbots offer opportunities for businesses to engage with customers in new ways through around-the-clock marketing and customer service on messaging platforms where people spend much of their time online. It also notes that chatbots could help streamline operations and automate tasks for small businesses. The rise of conversational interfaces through chatbots may change how people complete daily tasks and interact with customer service in the future.