Practically everyone who can access the internet can use email in one form or another. As a marketing tool, email is invaluable. The main advantages of email marketing over traditional forms of communication are that it is fast, direct, reliable, and inexpensive. There are more than 200 million email users worldwide Many marketers are discovering that expected response rates for email are much higher than those for traditional forms of direct marketing. It is much easier to target potential customers in a more personalised way with email than with traditional mass-mailing techniques. Using email, you can build up a trust relationship with your visitors by opening up a two-way communications channel.