The impact of such strategies on large companies may be uncertain, but they will quickly kill a small one. Web surfers are getting smarter. And while each day brings a flood of newcomers, they learn fast. There is an enormous potential in all this for small businesses. Simply by providing truly great support, you can improve your position effectively and generate a much greater flow of repeat business.
Email Answer it quickly, completely, but succinctly.
As with product, over-deliver. That is, seek to anticipate subsequent questions and include the necessary information right now. And do it all cheerfully, while demonstrating strong interest in the needs of your customer. If you are working a day job or simply haven't time for this, hire someone to do it. Spam will disappear for you.