Using email for purposes has many benefits, including low cost, immediate communication, interactivity, and the ability to contact multiple customers.

a. marketing

Explanation:

Using email for marketing purposes has become a very effective method of advertising since the advent of the internet and subsequently email services. It is quite low cost and yet has a wide coverage.

It also enables immediate communication that can be quite interactive thereby ensuring that customers can be personally catered for. It also allows for creativity in marketing as a multitude of methods can be used ranging from newsletters to posters.

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