This document provides an overview of m-commerce (mobile commerce) including its history, services, applications, advantages, and disadvantages. M-commerce allows buying and selling of goods and services through mobile devices. It began in 1997 with vending machines enabled for payments by mobile phones. Since the iPhone, m-commerce has grown through mobile applications. Common m-commerce services include mobile ticketing, money transfers, content purchases, banking, location-based offers, and marketing. Benefits are wide reach, deals, and savings, while limitations include small screens and users not used to the new technology. Security is a key concern to protect financial and personal data on mobile devices.