Shortcut your start-up shows you how to launch a sustainable start-up so that both you and your business can thrive. ’ Arianna Huffington we are living in a golden age of entrepreneurship. Today’s start-up landscape is bigger, faster and more competitive than ever before: it has never been easier to start a business, but it has never been tougher to make that business a success. That’s where shortcut your start-up comes in. As world-renowned businessmen and investors in companies including Lyft, Pinterest and SpaceX, Courtney and Carter Reum have a wealth of hands-on entrepreneurial experience: Now, they offer a lively and supremely practical guide to bringing your idea to market.