Bill Adler, the Co-Founder, Chief Executive Officer, and President of True Fit, adds his page to the Marketing Playbook. Hear how to be clear about the problem you're trying to solve, stay disciplined and focused on your core product and competency, measure your ROI in a clear and concise manner, what Bill learned working at Timberland, and his advice for early-stage entrepreneurs. Connect with Bill at TrueFit.com