4Ps is to marketing while 4S is to Google Chrome.
The first ‘S’ stands for ‘Speed’. The browser is quick to start and can run complex web applications fast. The second ‘S’ stands for ‘Simplicity’. Google Chrome is clean and simple and has been designed for efficiency and ease of use. The third ‘S’ stands for ‘Security’. Its built-in malware and phishing protection feature ensures that you are protected with the latest fixes. The fourth ‘S’ stands for ‘Signing In’.
According to the Google Chrome’s official website, “Signing in to Chrome brings your bookmarks, history, and other settings to all your computers.”