"Purple Cow" by Gelett Burgess is a book that has become a symbol of uniqueness and distinction. In his work, the author gives examples of how in the modern world it is important to stand out from the crowd, be unique and be remembered by others. This book is an important guide for those who want to make their business, career or life brighter and more memorable. She encourages her readers to stop being afraid of being different and offers creative approaches to success. "Purple Cow" is not only a book about marketing, but also a guide for self-development and self-discovery.