Question

How is e-mail better than telephone or fax ?
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Answer 1

In general, e-mail is a better choice when you want to keep a digital record of your communication, keep track of sticky details, follow up, or give a quick status update. You don't, on the other hand, want to be sending sensitive details in an e-mail. In that case, a phone call is better.

Answer 2

Answer:

Email addresses are easier to remember. ... Phone numbers are an arbitrary collection of digits. Email addresses are usually some form of “person@company.” I can remember hundreds of email addresses off the top of my head, but perhaps only two or three dozen phone numbers.