Jim Semick is co-founder of ProductPlan, a leading provider of cloud-based roadmap software for product and marketing teams. For more than 15 years he has helped launch new products now generating hundreds of millions in revenue. He was part of the founding team at AppFolio, a vertical SaaS company. Prior to AppFolio, Jim validated and created version 1.0 product requirements for GoToMyPC and GoToMeeting (acquired by Citrix). Jim is a frequent speaker on product management and the process of discovering successful business models. He contributes at www.productplan.com/blog. Follow Jim on Twitter at @JimSemick.