This document provides an overview of email, including its history, how it works, and advantages. It discusses how email originated in the 1960s-1970s as a way for employees to communicate within companies. The development of the internet in the 1990s made email popular for worldwide communication. The key advantages outlined are that email is easy and fast to use, allows interaction between programs, is available worldwide, and is inexpensive. It also notes that readers will learn how to create their own email account.