WhatsApp is already used by 2 billion people in the world; it is the most popular messenger in Russia. All your customers have been there for a long time. Does your business still not have a chatbot here? But this virtual consultant is capable of a lot. He will book a specialist’s time, send your client a business card or address, tell you about a promotion, give you a promotional code, conduct a survey, place an order, and even sell a product or service. You spend significantly less on promoting your products and services, and earn more. Understanding how a chatbot works is no more difficult than assembling furniture from a famous Swedish company. Its price is radically lower than creating a mobile application. By following the clear instructions given in the book, you will figure out how to create a chatbot in the most popular messenger and analyze the effectiveness of your investment. The publication is useful for those involved in offline and online retail (b2b and b2c), beauty industry, online services, delivery services, as well as anyone who wants to take a leading position in their niche.