The computer is also a great communication device. E-mail allows everyone with the Internet to send as much information as he or she want whenever they want for a minimal price nearly replacing the almost dead art of letter writing. E-mail’s speed provides the convenience of a telephone, yet it still retains much of the harm of a hand written letter. In the past, if someone wanted to send a movie or song to friends far away, they would have to spend the money on a blank tape, time copying the original, and would have to carefully pack it

Perhaps the most important advantage is the electronic trail of documentation and the fact that marketing materials are always current and compliant. The cost savings for companies can be extremely attractive. Electronic communication provides an opportunity to execute true one-to-one marketing, by providing customers with targeted messages and product marketing only in areas where they have interest and possess a high propensity to buy. Interacting with customers when they want and how they want increases retention and brand loyalty. Over the past few years electronic customer service has proven to be a distinct competitive advantage in the marketplace ("Electronic Delivery:", n.d.).

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