This document is a guide that addresses common inquiries related to SMS marketing, particularly in the context of Salesforce B2C Commerce. It outlines key aspects such as the management of SMS programs, explaining that a dedicated team or individual should oversee these efforts, ensuring alignment with marketing objectives and legal requirements. The guide details the functionality of SMS, emphasizing its efficiency in delivering messages without a constant data connection. It also discusses the optimal frequency for sending messages, suggesting 2 to 4 messages per month to maintain engagement without overwhelming recipients. Additionally, it covers metrics for measuring campaign success, typical open and read rates, content guidelines for SMS messages, and the differences between SMS and other messaging services. The document concludes by providing recommendations for ensuring SMS delivery and highlights the broader reach of SMS compared to app-based notifications.