It's better to begin with brief preview of SFI opportunity to the prospects. When people become interested, it's good to share more information in details. But that sharing shouldn't be done at once, but in parts. This way people will understand more things regarding the business.After that if they really interested and have joined the business, they will read and learn alone. But you should be aware that there will be a lot of new questions and it's good to stay tuned about new stuff.