Redirecting from /2009/10/designing-for-social-traction-turn-a-user-into-a-passionate-customer-before-making-them-sign-up-for-your-service-sachins-posterous/ to /2009/designing-for-social-traction-turn-a-user-into-a-passionate-customer-before-making-them-sign-up-for-your-service-sachins-posterous