Here is an example of referral email I saw elsewhere:
QUOTE
Investors at Lending Club have been earning Net Annualized Returns of more than 9.67% since June 2007.
I think this is a service you should check out.
It's easy and free to join. Because I invited you, you'll receive $24 to start investing when you open an account.
Sign up for a no-cost account >>>
Lending Club respects the privacy of its members. Your personal information will always be kept totally confidential from other members--including me