The document provides information on how to use email, including the differences between email and snail mail. Email allows for fast, digital communication and includes features like calendars, address books, and instant messaging. It also allows sending messages to multiple recipients at once. To use email, you need an email address from a provider like Gmail, Outlook, or Yahoo Mail. The email interface includes an inbox to receive messages, a message pane to view them, and a compose pane to write new emails. The document also discusses email safety issues like phishing, attachments, and spam.