This document provides an overview of the Wireless Application Protocol (WAP) and WAP 2.0 standard. It discusses what WAP is, its development and objectives, and the architectures of WAP 1.0 and WAP 2.0. Key features of WAP 2.0 are summarized, including WAP Push, user profiles, wireless telephony applications, and support for high-speed 3G technology. Examples of real-life WAP applications are given such as checking bank balances on the go and making reservations without calls.