Most highly persuasive websites contain a delicate mixture of pre-sales content and sales copy.  Lets take a minute to clearly explore and  understand the difference between these.
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		Pre-sales content is essentially about building trust and credibility and establishing rapport with your website visitors.   
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		Sales copy is about persuading visitors to take action. 
Every website has content, but many have little or no pre-sales content.  And very few websites have any genuine sales copy.
A good website needs to have fantastic sales copy supported by great pre-sales content.