This document provides an overview of cyber commerce technology and e-commerce. It discusses various types of e-commerce like B2B, B2C etc. It describes key concepts related to web commerce like client, server, web browser, protocols. Payment systems for e-commerce like cards, online payment systems are explained. Mobile commerce and its differences from e-commerce are highlighted. Security aspects like encryption and intruders are covered. Various online tools for website development like forms, translation, and visitor counting widgets are presented.