Advantages:
- gets faster
- less likely to get lost
- don't have to walk to the post office to buy stamps
Disadvantages:
- spam
- friends send you unwanted attachments
- addictive: some people begin their days by checking mail
- you get nervous when your computer breaks down 'cause you cannot check your email
- you may feel pressed for time: your friends expect you to answer fast
- you cannot excuse yourself saying you didn't get it (usually;)