Book excerpt: On Productivity is the collective wisdom of thought leader, Ari Meisel. Arguably the most efficient man alive, Ari has been obsessed with productivity for decades. On Productivity is the culmination of his pursuit for focus, freedom, and flexibility--the goal of any entrepreneur, business owner, or C-Suite executive looking to scale. Until now, Ari's proprietary methodologies on optimal efficiency have only been delivered through online courses, large venue speaking engagements, and an elite, private coaching program. He's taught legendary entrepreneurs, founders, US Military leadership, and celebrities how to harness technology while preserving one's humanity. Now his secrets are revealed for the first time in On Productivity - the essential guide to working on your business, not in it.