E-mail allows for fast electronic communication over computer networks, providing a more convenient alternative to snail mail or phone calls. It can be used by teachers to send mass messages to students about homework and assignments, and by students to communicate with each other and stay up-to-date when missing class. E-mail offers advantages like speed, accessibility from any internet connection, avoiding lost mail, and maintaining privacy. The passage recommends email for anyone with a computer who wants quick messaging and responses, as it has revolutionized communication.

1. E-mail: Snail Mail on Steroids

2. What is E-mail ? E-mail - A system for sending and receiving messages electronically over a computer network, as between personal computers.

4. communicate with fellow students about assignments, a way to keep up when missing class

6. can send formal information without taking the time of a traditional letter

7. is easily accessible anywhere with an internet connection