Lean customer interviewing: 'get out of the building' virtuallyhttps://startupwithsam.wordpress.com/2015/01/18/how-to-get-out-of-the-building-without-actually-getting-out-lean-customer-development-2/ by kp368 • 12 years ago 2 0 12 years agoSTstartupwithsam.wordpress.com