Email is a communication tool, so the problems Email are best at are communications problems. Email is very inexpensive, and relatively quick. It is just as easy to send an email message across the world as it is to the office next door. Any time you want to communicate with another person who has an email account, it is an alternative. Just as a fax number has become a requisite part of a business card, an email address is becoming a critical part of being connected in business. The course you are taking now was developed by a team from eight different campuses. Most of our communication was via email. Such cooperation was one of the earliest goals of the Internet. Email helps to break down geographic barriers.