If you give your prospect too much information at once, you run the risk of overwhelming her. These days, prospects are already overloaded and can't handle too much complexity. And if it's difficult for them to decipher the business value of your product or service, they'll opt to do nothing and eventually forget about your offer.
Speaking of forgetting, crazy-busy people are very forgetful. They forget they said they'd get back to you. They forget they were going to set up an appointment. There's only so much that the human brain can take.
Crazy-busy people subscribe to the philosophy of "if it's not broken, why fix it?" That means you'll have to work really hard to ensure they understand how much better — from a business value perspective — things will be if they decide to work with your company.
