The document discusses 17 techniques that start-ups can use to generate revenue, as introduced in a slide deck presentation. It provides examples for each technique, including allowing users to look professional by paying for advanced features, enticing users to join exclusive groups or communities, using mystery and discovery to drive engagement, appealing to users' desire to maintain ownership and control over their accounts and data, leveraging users' competitive instincts to complete sets or reach milestones, and exploiting various human psychological tendencies like the fear of missing out or the need for speed and convenience. The goal is to understand why people are willing to pay before designing business models around monetization strategies.