Chrome introduced Guest mode to provide users a secure way to browse the internet on shared or public computers without saving their browsing history or profile information. This feature ensures that websites visited in Guest mode aren’t recorded in the browser history and prevents any changes to other Chrome profiles. It's ideal for lending your computer to others or using public devices like those in libraries or cafes. Upon exiting Guest mode, all browsing data is deleted, preserving privacy. However, users are advised to log into sensitive sites only on trusted devices, as data may still be accessible to network administrators, service providers, or the websites visited. Guest mode exemplifies Chrome's commitment to balancing convenience with user privacy and security.