Lendingclub.com now enables members to be a borrower AND a lender. Borrowers can have multiple loans, credit policy guidelines permitting. Lendingclub also added a Q&A feature and improved statistics. The new referral program enables this offer:

$25 bonus for you, when you sign up as a lender here (bonus credited after you funded your account)
$25 bonus for you, when you sign up as a borrower here (bonus credited after loan application)